Negusie v. Holder

certiorari to the united states court of appeals for the fifth circuit No. 07–499. Argued November 5, 2008—Decided March 3, 2009 The Immigration and Nationality Act (INA) bars an alien from obtaining refugee status in this country if he “assisted, or otherwise participated in the persecution of any person on account of race, religion, nationality, membership in a particular social group, or political opinion.” 8 U. S. C. § 1101(a)(42). This so-called “persecutor bar” applies to those seeking asylum or withholding of removal, but does not disqualify an alien from receiving a temporary deferral of removal under the Convention Against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment (CAT). During the time petitioner, an Eritrean national, was forced to work as a prison guard in that country, the prisoners he guarded were persecuted on grounds protected under § 1101(a)(42).

After escaping to the United States, petitioner applied for asylum and withholding of removal. Concluding that he assisted in the persecution of prisoners by working as an armed guard, the Immigration Judge de­ nied relief on the basis of the persecutor bar, but granted deferral of removal under CAT because petitioner was likely to be tortured if re­ turned to Eritrea. The Board of Immigration Appeals (BIA) affirmed in all respects, holding, inter alia, that the persecutor bar applies even if the alien’s assistance in persecution was coerced or otherwise the product of duress. The BIA followed its earlier decisions finding Fed­ orenko v. United States, 449 U. S. 490, controlling. The Fifth Circuit affirmed, relying on its precedent following the same reasoning.

Held: The BIA and Fifth Circuit misapplied Fedorenko as mandating that whether an alien is compelled to assist in persecution is immaterial for persecutor-bar purposes. The BIA must interpret the statute, free from this mistaken legal premise, in the first instance. Pp. 516–525. (a) Under Chevron U. S. A. Inc. v. Natural Resources Defense Coun­ cil, Inc., 467 U. S. 837, 842–843, the BIA is entitled to deference in inter­ preting ambiguous INA provisions, see, e. g., INS v. Aguirre-Aguirre, 526 U. S. 415, 424–425. When the BIA has not spoken on “a matter that statutes place primarily in agency hands,” this Court’s ordinary rule is to remand to allow “the BIA . . . to address the matter in the first instance in light of its own experience.” INS v. Orlando Ventura, 537 U. S. 12, 16–17. Pp. 516–517.

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(b) As there is substance both to petitioner’s contention that involun­ tary acts cannot implicate the persecutor bar because “persecution” pre­ sumes moral blameworthiness, and to the Government’s argument that the question at issue is answered by the statute’s failure to provide an exception for coerced conduct, it must be concluded that the INA has an ambiguity that the BIA should address in the first instance. Fedo­ renko, which addressed a different statute enacted for a different pur­ pose, does not control the BIA’s interpretation of this persecutor bar.

In holding that voluntariness was not required with respect to such a bar in the Displaced Persons Act of 1948 (DPA), Fedorenko contrasted the omission there of the word “voluntary” with the word’s inclusion in a related statutory subsection. 449 U. S., at 512. Because Congress did not use the word “voluntary” anywhere in the persecutor bar at issue here, its omission cannot carry the same significance as it did in Fedorenko. Moreover, the DPA’s exclusion of even those involved in nonculpable, involuntary assistance in persecution was enacted in part to address the Holocaust and its horror, see id., at 511, n. 32, whereas the persecutor bar in this case was enacted as part of the Refugee Act of 1980, which was designed to provide a general rule for the ongoing treatment of all refugees and displaced persons, see, e. g., Aguirre- Aguirre, supra, at 427. Pp. 517–520. (c) Whether a BIA determination that the persecution bar contains no exception for coerced conduct would be reasonable, and thus owed Chevron deference, is a legitimate question; but it is not presented here.

In denying petitioner relief, the BIA recited a rule it has developed in its cases: An alien’s motivation and intent are irrelevant to the issue whether he “assisted” in persecution; rather, his actions’ objective effect controls. A reading of those decisions confirms that the BIA has not exercised its interpretive authority but, instead, has deemed its inter­ pretation to be mandated by Fedorenko. This error prevented the BIA from fully considering the statutory question presented. Its mistaken assumption stems from a failure to recognize the inapplicability of the statutory construction principle invoked in Fedorenko, as well as a fail­ ure to appreciate the differences in statutory purpose. The BIA is not bound to apply the Fedorenko rule to the persecutor bar here at issue.

Whether the statute permits such an interpretation based on a different course of reasoning must be determined in the first instance by the agency. Pp. 521–523. (d) Because the BIA has not yet exercised its Chevron discretion to interpret the statute, the proper course is to remand to it for additional investigation or explanation, e. g., Gonzales v. Thomas, 547 U. S. 183, 186, allowing it to bring its expertise to bear on the matter, evaluate the evidence, make an initial determination, and thereby help a court

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later determine whether its decision exceeds the leeway that the law provides, e. g., id., at 186–187. Pp. 523–524.

231 Fed. Appx. 325, reversed and remanded.

Kennedy, J., delivered the opinion of the Court, in which Roberts,

filed a concurring opinion, in which Alito, J., joined, post, p. 525. Ste­ vens, J., filed an opinion concurring in part and dissenting in part, in which Breyer, J., joined, post, p. 528. Thomas, J., filed a dissenting opin­ ion, post, p. 538.

Andrew J. Pincus argued the cause for petitioner. With him on the briefs were Charles A. Rothfeld and Dan Kahan.

Assistant Attorney General Katsas argued the cause for respondent. With him on the brief were former Solicitor General Garre, then-Deputy Solicitor General Kneedler, Deputy Assistant Attorney General Dupree, Nicole A. Sa­ harsky, Donald E. Keener, Keith I. McManus, and Jennifer

J. Keeney.*

Justice Kennedy delivered the opinion of the Court.

An alien who fears persecution in his homeland and seeks refugee status in this country is barred from obtaining that relief if he has persecuted others.

“The term ‘refugee’ does not include any person who ordered, incited, assisted, or otherwise participated in the persecution of any person on account of race, reli­ gion, nationality, membership in a particular social group, or political opinion.” Immigration and National­

*Briefs of amici curiae urging reversal were filed for Advocates for Human Rights by Benjamin Casper and Heather McElroy; for the Ameri­ can Jewish Congress et al. by Charles G. Moerdler, Christian Fletcher, Marc D. Stern, Jeffrey P. Sinensky, and Kara H. Stein; for the Becket Fund for Religious Liberty et al. by Eric C. Rassbach; for Human Rights First et al. by Steven H. Schulman and Patricia A. Millett; for the Office of the United Nations High Commissioner for Refugees by H. Elizabeth Dallam and Pamela Goldberg; and for Scholars of International Refugee Law by Mark C. Fleming and Deborah Anker.

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Opinion of the Court

ity Act (INA), § 101, 66 Stat. 166, as added by Refu­ gee Act of 1980, § 201(a), 94 Stat. 102–103, 8 U. S. C. § 1101(a)(42).

This so-called “persecutor bar” applies to those seeking asylum, § 1158(b)(2)(A)(i), or withholding of removal, § 1231(b)(3)(B)(i). It does not disqualify an alien from re­ ceiving a temporary deferral of removal under the Conven­ tion Against Torture and Other Cruel, Inhuman or Degrad­ ing Treatment or Punishment (CAT), art. 3, Dec. 10, 1984,

S. Treaty Doc. No. 100–20, p. 20, 1465 U. N. T. S. 85; 8 CFR

§ 1208.17(a) (2008).

In this case the Board of Immigration Appeals (BIA) de­ termined that the persecutor bar applies even if the alien’s assistance in persecution was coerced or otherwise the prod­ uct of duress. In so ruling the BIA followed its earlier deci­ sions that found Fedorenko v. United States, 449 U. S. 490 (1981), controlling. The Court of Appeals for the Fifth Cir­ cuit, in affirming the agency, relied on its precedent following the same reasoning. We hold that the BIA and the Court of Appeals misapplied Fedorenko. We reverse and remand for the agency to interpret the statute, free from the error, in the first instance.

Petitioner in this Court is Daniel Girmai Negusie, a dual national of Eritrea and Ethiopia, his father having been a national of the former and his mother of the latter. Born and educated in Ethiopia, he left there for Eritrea around the age of 18 to see his mother and find employment. The year was 1994. After a few months in Eritrea, state officials took custody of petitioner and others when they were attend­ ing a movie. He was forced to perform hard labor for a month and then was conscripted into the military for a time.

War broke out between Ethiopia and Eritrea in 1998, and he was conscripted again.

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When petitioner refused to fight against Ethiopia, his other homeland, the Eritrean Government incarcerated him.

Prison guards punished petitioner by beating him with sticks and placing him in the hot sun. He was released after two years and forced to work as a prison guard, a duty he per­ formed on a rotating basis for about four years. It is undis­ puted that the prisoners he guarded were being persecuted on account of a protected ground—i. e., “race, religion, na­ tionality, membership in a particular social group, or political opinion.” 8 U. S. C. § 1101(a)(42). Petitioner testified that he carried a gun, guarded the gate to prevent escape, and kept prisoners from taking showers and obtaining fresh air.

He also guarded prisoners to make sure they stayed in the sun, which he knew was a form of punishment. He saw at least one man die after being in the sun for more than two hours. Petitioner testified that he had not shot at or di­ rectly punished any prisoner and that he helped prisoners on various occasions. Petitioner escaped from the prison and hid in a container, which was loaded on board a ship heading to the United States. Once here he applied for asylum and withholding of removal.

In a careful opinion the Immigration Judge, W. Wayne Stogner, found that petitioner’s testimony, for the most part, was credible. He concluded that petitioner assisted in per­ secution by working as an armed guard. The judge deter­ mined that although “there’s no evidence to establish that [petitioner] is a malicious person or that he was an aggres­ sive person who mistreated the prisoners, . . . the very fact that he helped [the government] in the prison compound where he had reason to know that they were persecuted con­ stitutes assisting in the persecution of others and bars [peti­ tioner] from” obtaining asylum or withholding of removal.

App. to Pet. for Cert. 16a–17a (citing, inter alia, Fedorenko, supra). The judge, however, granted deferral of removal under CAT because petitioner was likely to be tortured if returned to Eritrea.

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Opinion of the Court The BIA affirmed the denial of asylum and withholding.

It noted petitioner’s role as an armed guard in a facility where “prisoners were tortured and left to die out in the sun . . . on account of a protected ground.” App. to Pet. for Cert. 6a. The BIA held that “[t]he fact that [petitioner] was compelled to participate as a prison guard, and may not have actively tortured or mistreated anyone, is immaterial.” Ibid. That is because “ ‘an alien’s motivation and intent are irrelevant to the issue of whether he “assisted” in persecution . . . . [I]t is the objective effect of an alien’s actions which is controlling.’ ” Ibid. (quoting Matter of Fedorenko, 19 I. & N. Dec. 57, 69 (BIA 1984)). The BIA also affirmed the grant of deferral of removal under CAT.

On petition for review the Court of Appeals agreed with the BIA that whether an alien is compelled to assist in perse­ cution is immaterial for persecutor-bar purposes. Negusie

v. Gonzales, 231 Fed. Appx. 325, 326 (2007) (per curiam)

(citing Fedorenko, supra, at 512, n. 34). We granted certio­ rari. 552 U. S. 1255 (2008).

Consistent with the rule in Chevron U. S. A. Inc. v. Natu­ ral Resources Defense Council, Inc., 467 U. S. 837, 842–843 (1984), the BIA is entitled to deference in interpreting ambiguous provisions of the INA. The question here is whether an alien who was compelled to assist in persecution can be eligible for asylum or withholding of removal. We conclude that the BIA misapplied our precedent in Fed­ orenko as mandating that an alien’s motivation and intent are irrelevant to the issue whether an alien assisted in perse­ cution. The agency must confront the same question free of this mistaken legal premise.

It is well settled that “principles of Chevron deference are applicable to this statutory scheme.” INS v. Aguirre- Aguirre, 526 U. S. 415, 424 (1999). Congress has charged

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the Attorney General with administering the INA, and a “ruling by the Attorney General with respect to all questions of law shall be controlling.” 8 U. S. C. § 1103(a)(1). Judicial deference in the immigration context is of special impor­ tance, for executive officials “exercise especially sensitive po­ litical functions that implicate questions of foreign relations.” INS v. Abudu, 485 U. S. 94, 110 (1988). The Attorney Gen­ eral’s decision to bar an alien who has participated in perse­ cution “may affect our relations with [the alien’s native] country or its neighbors. The judiciary is not well posi­ tioned to shoulder primary responsibility for assessing the likelihood and importance of such diplomatic repercussions.” Aguirre-Aguirre, 526 U. S., at 425.

The Attorney General, in turn, has delegated to the BIA the “ ‘discretion and authority conferred upon the Attorney General by law’ ” in the course of “ ‘considering and deter­ mining cases before it.’ ” Ibid. (quoting 8 CFR § 3.1(d)(1) (1998)). As a consequence, “the BIA should be accorded Chevron deference as it gives ambiguous statutory terms ‘concrete meaning through a process of case-by-case adjudi­ cation.’ ” Aguirre-Aguirre, supra, at 425 (quoting INS v.

Cardoza-Fonseca, 480 U. S. 421, 448–449 (1987)). When the BIA has not spoken on “a matter that statutes place primar­ ily in agency hands,” our ordinary rule is to remand to “giv[e] the BIA the opportunity to address the matter in the first instance in light of its own expertise.” INS v. Orlando Ven­ tura, 537 U. S. 12, 16–17 (2002) (per curiam).

The parties disagree over whether coercion or duress is relevant in determining if an alien assisted or otherwise par­ ticipated in persecution. As there is substance to both con­ tentions, we conclude that the statute has an ambiguity that the agency should address in the first instance.

Petitioner argues that the statute’s plain language makes clear that involuntary acts do not implicate the persecutor

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Opinion of the Court

bar because “ ‘persecution’ ” presumes moral blameworthi­ ness. Brief for Petitioner 23–28. He invokes principles of criminal culpability, concepts of international law, and the rule of lenity. Id., at 28–45. Those arguments may be per­ suasive in determining whether a particular agency interpre­ tation is reasonable, but they do not demonstrate that the statute is unambiguous. Petitioner all but conceded as much at argument in this Court when he indicated that the BIA has discretion to construe the duress defense in either a narrow or a broad way. Tr. of Oral Arg. 20–24.

The Government, on the other hand, asserts that the stat­ ute does not allow petitioner’s construction. “The statutory

there is no exception” for conduct that is coerced because Congress did not include one. Brief for Respondent 11.

We disagree. The silence is not conclusive. The question is whether the statutory text mandates that coerced actions must be deemed assistance in persecution. On that point the statute, in its precise terms, is not explicit. Nor is this a case where it is clear that Congress had an intention on the precise question at issue. Cf. Cardoza-Fonseca, supra, at 448–449.

The Government, like the BIA and the Court of Appeals, relies on Fedorenko to provide the answer. This reliance is not without some basis, as the Court there held that volun­ tariness was not required with respect to another persecutor bar. 449 U. S., at 512. To the extent, however, the Govern­ ment deems Fedorenko to be controlling, it is in error.

In Fedorenko, the Court interpreted the Displaced Per­ sons Act of 1948 (DPA), 62 Stat. 1009. The DPA was enacted “to enable European refugees driven from their homelands by the [second world] war to emigrate to the United States without regard to traditional immigration quo­ tas.” 449 U. S., at 495. Section 2(b) of the DPA provides relief to “any displaced person or refugee as defined in Annex I of the Constitution of the International Refugee Organiza­

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Opinion of the Court tion” of the United Nations (IRO Constitution). 62 Stat.

1009. The IRO Constitution, as codified by Congress, ex­ cludes any individual “who can be shown: (a) to have assisted the enemy in persecuting civil populations of countries, Members of the United Nations; or (b) to have voluntarily assisted the enemy forces since the outbreak of the second world war in their operations against the United Nations.” Annex I, Pt. II, § 2, 62 Stat. 3051–3052.

The Fedorenko Court held that “an individual’s service as a concentration camp armed guard—whether voluntary or involuntary—made him ineligible for a visa” under § 2(a) of the IRO Constitution. 449 U. S., at 512. That Congress did not adopt a voluntariness requirement for § 2(a), the Court noted, “is plain from comparing § 2(a) with § 2(b), which ex­ cludes only those individuals who ‘voluntarily assisted the enemy forces.’ ” Ibid. The Court relied on the principle of statutory construction that “the deliberate omission of the word ‘voluntary’ from § 2(a) compels the conclusion that the statute made all those who assisted in persecution of civil­ ians ineligible for visas.” Ibid.

Fedorenko does not compel the same conclusion in the case now before us. The textual structure of the statute in Fed­ orenko (“voluntary” is in one subsection but not the other) is not part of the statutory framework considered here.

Congress did not use the word “voluntary” in any subsection of the persecutor bar, so its omission cannot carry the same significance.

The difference between the statutory scheme in Fedorenko and the one here is confirmed when we “ ‘look not only to the particular statutory language, but to the design of the stat­ ute as a whole and to its object and policy.’ ” Dada v. Muka­ sey, 554 U. S. 1, 16 (2008) (quoting Gozlon-Peretz v. United States, 498 U. S. 395, 407 (1991)). Both statutes were enacted to reflect principles set forth in international agree­ ments, but the principles differ in significant respects.

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Opinion of the Court

As discussed, Congress enacted the DPA in 1948 as part of an international effort to address individuals who were forced to leave their homelands during and after the Second World War. Fedorenko, supra, at 495. The DPA excludes those who “voluntarily assisted the enemy forces since the outbreak of the second world war,” 62 Stat. 3052, as well as all who “assisted the enemy in persecuting civil populations of countries,” id., at 3051. The latter exclusion clause makes no reference to culpability. The exclusion of even those in­ volved in nonculpable, involuntary assistance in Nazi perse­ cution, as an expert testified in Fedorenko, may be “ ‘[b]e­ cause the crime against humanity that is involved in the concentration camp puts it into a different category.’ ” 449

U. S., at 511, n. 32.

The persecutor bar in this case, by contrast, was enacted as part of the Refugee Act of 1980. Unlike the DPA, which was enacted to address not just the postwar refugee problem but also the Holocaust and its horror, the Refugee Act was designed to provide a general rule for the ongoing treatment of all refugees and displaced persons. As this Court has twice recognized, “ ‘one of Congress’ primary purposes’ in passing the Refugee Act was to implement the principles agreed to in the 1967 United Nations Protocol Relating to the Status of Refugees, Jan. 31, 1967, 19 U. S. T. 6224,

T. I. A. S. 6577 (1968),” as well as the “United Nations Con­

vention Relating to the Status of Refugees, 189 U. N. T. S.

150 (July 28, 1951), reprinted in 19 U. S. T. 6259.” Aguirre- Aguirre, 526 U. S., at 427 (quoting Cardoza-Fonseca, 480

U. S., at 436–437).

These authorities illustrate why Fedorenko, which ad­ dressed a different statute enacted for a different purpose, does not control the BIA’s interpretation of this persecutor bar. Whatever weight or relevance these various authori­ ties may have in interpreting the statute should be consid­ ered by the agency in the first instance, and by any subse­ quent reviewing court, after our remand.

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The Government argues that “if there were any ambiguity in the text, the Board’s determination that the bar contains no such exception is reasonable and thus controlling.” Brief for Respondent 11. Whether such an interpretation would be reasonable, and thus owed Chevron deference, is a legiti­ mate question; but it is not now before us. The BIA deemed its interpretation to be mandated by Fedorenko, and that error prevented it from a full consideration of the statutory question here presented.

In denying relief in this case the BIA recited a rule that has developed in its own case law in reliance on Fedorenko: “[A]n alien’s motivation and intent are irrelevant to the issue of whether he ‘assisted’ in persecution . . . . [I]t is the objec­ tive effect of an alien’s actions which is controlling.” App. to Pet. for Cert. 6a. The rule is based on three earlier de­ cisions: Matter of Laipenieks, 18 I. & N. Dec. 433 (1983); Matter of Fedorenko, 19 I. & N. Dec. 57; and Matter of Rodriguez-Majano, 19 I. & N. Dec. 811 (1988).

In Matter of Laipenieks, the BIA applied the Court’s Fed­ orenko analysis of the DPA to a different postwar statute, which provided for the deportation of anyone associated with the Nazis who “ordered, incited, assisted, or otherwise par­ ticipated” in persecution based on a protected ground. 8

U. S. C. § 1182(a)(3)(E)(i). Finding no agency or judicial de­

cision on point, the BIA relied on Fedorenko. It recog­ nized that the unique structure of the Fedorenko statute was not present in § 1182(a)(3)(E)(i), but the BIA never­ theless adopted wholesale the Fedorenko rule: “[A]s in Fedorenko, . . . the plain language of [§ 1182(a)(3)(E)(i)] man­ dates a literal interpretation, and the omission of an in­ tent element compels the conclusion that [§ 1182(a)(3)(E)(i)] makes all those who assisted in the specific persecution de­ portable.” 18 I. & N. Dec., at 464 (emphasis deleted). In other words, “particular motivations or intent . . . is not a relevant factor.” Ibid.

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The second decision, Matter of Fedorenko, also dealt with § 1182(a)(3)(E)(i), and it involved the same alien whose citi­ zenship was revoked by this Court’s Fedorenko decision.

This time the agency sought to deport him. Fedorenko re­ sponded by requesting suspension of deportation. He ar­ gued that, unlike the DPA’s bar on any assistance—voluntary or involuntary—in persecution, see Fedorenko, supra, at 512, the text and structure of § 1182(a)(3)(E)(i) required deporta­ tion only of those who voluntarily assisted in persecuting others. The BIA rejected that distinction, noting that it was foreclosed by Matter of Laipenieks: “It may be, as [Fedorenko] argues, that his service at Treblinka was involuntary. . . . We need not resolve the issue, however, be­ cause as a matter of law [Fedorenko’s] motivations for serv­ ing as a guard at Treblinka are immaterial to the question of his deportability under” § 1182(a)(3)(E)(i). 19 I. & N.

Dec., at 69–70.

Later, the BIA applied this Court’s Fedorenko rule to the persecutor bar that is at issue in the present case. In Mat­ ter of Rodriguez-Majano, the BIA granted relief because the alien’s coerced conduct as a guerrilla was not persecution based on a protected ground. 19 I. & N. Dec., at 815–816.

Nevertheless, in reaching its conclusion the BIA incorpo­ rated without additional analysis the Fedorenko rule as ap­ plied in Matter of Laipenieks and reiterated in Matter of Fedorenko. 19 I. & N. Dec., at 814–815. The BIA reaf­ firmed that “[t]he participation or assistance of an alien in persecution need not be of his own volition to bar him from relief.” Id., at 814 (citing Fedorenko, 449 U. S. 490).

Our reading of these decisions confirms that the BIA has not exercised its interpretive authority but, instead, has de­ termined that Fedorenko controls. This mistaken assump­ tion stems from a failure to recognize the inapplicability of the principle of statutory construction invoked in Fedorenko, as well as a failure to appreciate the differences in statutory purpose. The BIA is not bound to apply the Fedorenko rule

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that motive and intent are irrelevant to the persecutor bar at issue in this case. Whether the statute permits such an interpretation based on a different course of reasoning must be determined in the first instance by the agency.

Having concluded that the BIA has not yet exercised its Chevron discretion to interpret the statute in question, “ ‘ “the proper course, except in rare circumstances, is to re­ mand to the agency for additional investigation or explana­ tion.” ’ ” Gonzales v. Thomas, 547 U. S. 183, 186 (2006) (per curiam) (quoting Ventura, 537 U. S., at 16, in turn quoting Florida Power & Light Co. v. Lorion, 470 U. S. 729, 744 (1985)). This remand rule exists, in part, because “ambigu­ ities in statutes within an agency’s jurisdiction to administer are delegations of authority to the agency to fill the statutory gap in reasonable fashion. Filling these gaps . . . involves difficult policy choices that agencies are better equipped to make than courts.” National Cable & Telecommunications Assn. v. Brand X Internet Services, 545 U. S. 967, 980 (2005).

Justice Stevens would have the Court provide a definite answer to the question presented and then remand for fur­ ther proceedings. That approach, however, is in tension with the “ordinary ‘remand’ rule.” Ventura, supra, at 18; see also Cajun Elec. Power Cooperative, Inc. v. FERC, 924

F. 2d 1132, 1136 (CADC 1991) (opinion for the court by Sil­

berman, J., joined by R. Ginsburg and Thomas, JJ.) (“[I]f an agency erroneously contends that Congress’ intent has been clearly expressed and has rested on that ground, we remand to require the agency to consider the question afresh in light of the ambiguity we see”). Thomas is illustrative. There, the agency had not determined whether a family may consti­ tute a social group for the purposes of refugee status. The Ninth Circuit held that the family can constitute a protected social group and that the particular family at issue did qual­ ify. 547 U. S., at 184–185. The Solicitor General sought re­

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view in this Court on “whether the Ninth Circuit erred in holding, in the first instance and without prior resolution of the questions by the relevant administrative agency, that members of a family can and do constitute a particular social group, within the meaning of the Act.” Id., at 185 (internal quotation marks omitted). He argued that the Ninth Cir­ cuit’s decision violated the Ventura ordinary remand rule.

We agreed and summarily reversed. 547 U. S., at 184–185.

Ventura and Thomas counsel a similar result here. Be­ cause of the important differences between the statute be­ fore us and the one at issue in Fedorenko, we find it appro­ priate to remand to the agency for its initial determination of the statutory interpretation question and its application to this case. The agency’s interpretation of the statutory meaning of “persecution” may be explained by a more com­ prehensive definition, one designed to elaborate on the term in anticipation of a wide range of potential conduct; and that expanded definition in turn may be influenced by how practi­ cal, or impractical, the standard would be in terms of its application to specific cases. These matters may have rele­ vance in determining whether its statutory interpretation is a permissible one.

As the Court said in Ventura and reiterated in Thomas, “ ‘[t]he agency can bring its expertise to bear upon the mat­ ter; it can evaluate the evidence; it can make an initial deter­ mination; and, in doing so, it can, through informed discus­ sion and analysis, help a court later determine whether its decision exceeds the leeway that the law provides.’ ” 547

U. S., at 186–187 (quoting Ventura, supra, at 17). If the BIA

decides to adopt a standard that considers voluntariness to some degree, it may be prudent and necessary for the Immi­ gration Judge to conduct additional factfinding based on the new standard. Those determinations are for the agency to make in the first instance.

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Scalia, J., concurring

* * * We reverse the judgment of the Court of Appeals and re­ mand the case for further proceedings consistent with this opinion.

It is so ordered.

Justice Scalia, with whom Justice Alito joins, concurring. I agree with the Court that “the statute has an ambigu­ ity,” ante, at 517, with respect to whether an alien who was coerced to assist in persecution is barred from obtaining asy­ lum in the United States. I agree that the agency is entitled to answer that question. Ibid. See Chevron U. S. A. Inc.

v. Natural Resources Defense Council, Inc., 467 U. S. 837,

843 (1984). And I agree that a remand is in order, to give the agency an opportunity to clarify whether its affirmative answer was premised on an erroneous view that this Court’s decision in Fedorenko v. United States, 449 U. S. 490 (1981), compelled it. Ante, at 523. I would not agree to remand if I did not think that the agency has the option of adhering to its decision. The ma­ jority appears to leave that question undecided, ante, at 518 (reserving whether “a particular agency interpretation is reasonable”); two Justices forthrightly disagree and would require the agency to recognize at least some sort of duress exception, post, at 534–535 (Stevens, J., concurring in part and dissenting in part).

But good reasons for the agency’s current practice exist— reasons adequate to satisfy the requirement that an agency act reasonably in choosing among various possible construc­ tions of an ambiguous statute. The statute does not man­ date the rule precluding the duress defense but does not foreclose it either; the agency is free to retain that rule so long as the choice to do so is soundly reasoned, not based on irrelevant or arbitrary factors ( like the Fedorenko precedent).

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Scalia, J., concurring

The primary contention to the contrary is, in short, that barring aliens who persecuted under duress would punish purely “nonculpable” conduct. That argument suffers from at least three unjustified leaps of logic.

First, it implicitly adopts a view of “culpability” that is neither the only view nor one necessarily applicable here.

The culpability of one who harms another under coercion is, and has always been, a subject of intense debate, raising pro­ found questions of moral philosophy and individual responsi­ bility. (The so-called “Nuremberg defense” comes readily to mind.) At common law, duress was not an accepted defense to intentional killing, see 2 W. LaFave, Substantive Criminal Law § 9.7(b), pp. 74–75 (2d ed. 2003); and in modern times, some States do not allow it as a defense to lesser crimes, see id., at 81–82, and n. 50. Notably, there is no historical sup­ port for the duress defense when a soldier follows a military order he knows to be unlawful. Id., § 9.7(g), at 86; see also,

e. g., Axtell’s Case, Kel. J. 13, 84 Eng. Rep. 1060 (K. B. 1660);

Prosecutor v. Erdemović, [1997] 2 ICTY Jud. Rep. 1610, 1635 (Int’l Crim. Trib. for Former Yugoslavia). It is therefore far from clear that precluding a duress defense here would, as petitioner alleges, “disregard principles of blame . . . ‘univer­ sal and persistent’ in American law.” Brief for Petitioner 32 (quoting Morissette v. United States, 342 U. S. 246, 250 (1952)). All of this suggests that those who are coerced to commit wrong are at least sometimes “culpable” enough to be treated as criminals.

More importantly, this is not a criminal matter. This Court has long understood that an “order of deportation is not a punishment for crime.” Fong Yue Ting v. United States, 149 U. S. 698, 730 (1893). Asylum is a benefit ac­ corded by grace, not by entitlement, and withholding that benefit from all who have intentionally harmed others— whether under coercion or not—is not unreasonable.

Second, petitioner assumes that the persecutor bar must have been intended merely to punish wrongdoing. But in

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Scalia, J., concurring

the context of immigration law, “culpability” as a relevant factor in determining admissibility is only one facet of a more general consideration: desirability. And there may well be reasons to think that those who persecuted others, even under duress, would be relatively undesirable as immigrants.

If, for example, the asylum laws grant entry to those who suffered the persecution, might it not be imprudent to also grant entry to the coerced persecutor, who may end up living in the same community as one of his victims? The Nation has a legitimate interest in preventing the importation of ethnic strife from remote parts of the world, and the agency may resolve the statutory ambiguity in a way that safe­ guards that interest.

Finally, even if culpability is the only relevant factor, and even if a narrow, criminal-law based view of culpability is the authoritative one, a bright-line rule excluding all perse­ cutors—whether acting under coercion or not—might still be the best way for the agency to effectuate the statutory scheme. See generally Cox & Posner, Second-Order Struc­ ture of Immigration Law, 59 Stan. L. Rev. 809 (2007). Immi­ gration judges already face the overwhelming task of at­ tempting to recreate, by a limited number of witnesses speaking through (often poor-quality) translation, events that took place years ago in foreign, usually impoverished countries. See Dia v. Ashcroft, 353 F. 3d 228, 261–262 (CA3 2003) (en banc) (Alito, J., concurring in part and dissenting in part). Adding on top of that the burden of adjudicating claims of duress and coercion, which are extremely difficult to corroborate and necessarily pose questions of degree that require intensely fact-bound line-drawing, would increase the already inherently high risk of error. And the cost of error (viz., allowing un-coerced persecutors to remain in the country permanently) might reasonably be viewed by the agency as significantly greater than the cost of overinclusion under a bright-line rule (viz., denial of asylum to some co­ erced persecutors—who might anyway be entitled to protec­

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Opinion of Stevens, J.

tion under the Convention Against Torture, which includes no analogous persecutor bar).

It is worth noting that although the agency’s “objective effects” approach to the statute would seem to sweep beyond the duress scenario to encompass even an alien who had no idea that his actions would “objectively” assist in persecu­ tion, see Castañeda-Castillo v. Gonzales, 488 F. 3d 17, 20 (CA1 2007) (en banc), there is no reason why the agency can­ not consider questions of knowledge separate and apart from questions of duress. Both can be said to relate to the mental state of the persecutor,* but they present different problems which can be grappled with separately. The agency need not provide an “all-embracing answer,” ibid., in the present case. It may evaluate problems one by one as they arise, and whatever it might decide about an unknowing persecutor is irrelevant to petitioner, who knew exactly what he was doing.

To be clear, I do not endorse any particular rule. It is to agency officials, not to the Members of this Court, that Con­ gress has given discretion to choose among permissible inter­ pretations of the statute. They deserve to be told clearly whether we are serious about allowing them to exercise that discretion, or are rather firing a warning shot across the bow.

Justice Stevens, with whom Justice Breyer joins, concurring in part and dissenting in part.

The narrow question of statutory construction presented by this case is whether the so-called “persecutor bar,” 8

U. S. C. §§ 1101(a)(42), 1158(b)(2)(A)(i), 1231(b)(3)(B), disqual­

ifies from asylum or withholding of removal an alien whose

*The rationale for the duress defense, however, is conventionally “not that the defendant . . . somehow loses his mental capacity to commit the crime in question,” but rather that “even though he has done the act the crime requires and has the mental state which the crime requires, his conduct . . . is excused.” 2 W. LaFave, Substantive Criminal Law § 9.7(a),

p. 73 (2d ed. 2003).

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conduct was coerced or otherwise the product of duress. If the answer to that threshold question is “no,” courts should defer to the Attorney General’s evaluation of particular cir­ cumstances that may or may not establish duress or coercion in individual cases. But the threshold question the Court addresses today is a “pure question of statutory construction for the courts to decide.” INS v. Cardoza-Fonseca, 480 U. S.

421, 446 (1987). For that reason, while I agree with the Court’s cogent explanation of why its misguided decision in Fedorenko v. United States, 449 U. S. 490 (1981), does not govern our interpretation of the persecutor bar, I would pro­ vide a definite answer to the question presented and then remand for further proceedings.

Judicial deference to agencies’ views on statutes they ad­ minister was not born in Chevron U. S. A. Inc. v. Natural Resources Defense Council, Inc., 467 U. S. 837 (1984), nor did the “singularly judicial role of marking the boundaries of agency choice,” Young v. Community Nutrition Institute, 476 U. S. 974, 988 (1986) (Stevens, J., dissenting), die with that case. In the years before Chevron, this Court recog­ nized that statutory interpretation is a multifaceted enter­ prise, ranging from a precise construction of statutory lan­ guage to a determination of what policy best effectuates statutory objectives. We accordingly acknowledged that a complete interpretation of a statutory provision might de­ mand both judicial construction and administrative explica­ tion. E. g., NLRB v. Hearst Publications, Inc., 322 U. S. 111 (1944) (construing the term “employee” in the National Labor Relations Act but deferring to the National Labor Re­ lations Board’s finding that newsboys were employees); see Nathanson, Administrative Discretion in the Interpretation of Statutes, 3 Vand. L. Rev. 470 (1950).

Chevron adhered to this approach. There, we recognized that the Clean Air Act did not define “stationary sources,”

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42 U. S. C. § 7502(b)(6) (1982 ed.), but rather implicitly dele­ gated to the Environmental Protection Agency (EPA) the policy question whether States could treat entire plants or only their discrete pollution-emitting devices as sources of pollution for purposes of the Act’s permit program. Con­ gress left a gap for the agency to fill, and the agency brought its expertise, political acuity, and information-gathering abil­ ities to bear in doing so. See Chevron, 467 U. S., at 865– 866.1 In keeping with precedent, see id., at 843–845, and nn. 9, 11–14, our opinion reaffirmed both that “[t]he judiciary is the final authority on issues of statutory construction,” id., at 843, n. 9, and that courts should defer to an agency’s reasonable formulation of policy in response to an explicit or implicit congressional delegation of authority. The Chevron framework thus accounts for the different institutional com­ petencies of agencies and courts: Courts are expert at statu­ tory construction, while agencies are expert at statutory im­ plementation. That the distinction can be subtle does not lessen its importance.

In the 25 years since Chevron was decided, this Court has continued to recognize that courts and agencies play complementary roles in the project of statutory interpreta­ tion. We have repeatedly held that “ambiguities in statutes within an agency’s jurisdiction to administer are delegations of authority to the agency to fill the statutory gap in rea­ sonable fashion.” National Cable & Telecommunications Assn. v. Brand X Internet Services, 545 U. S. 967, 980 (2005).

But even when confronted with a statute that involves a de­

1

Notably, the EPA cast its activity not as statutory construction but as public administration; its rulemaking sought to achieve policy goals, such as reducing regulatory complexity and promoting plant modernization.

See 46 Fed. Reg. 50766 (1981). To be sure, the EPA argued that its regu­ lation defining “stationary source” as an entire plant was permissible under the Clean Air Act, but the agency treated its rulemaking as a mat­ ter of fashioning sound policy, not of discerning the meaning of “stationary source” in the statute.

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gree of ambiguity—as most statutes do—we have not abdi­ cated our judicial role. The fact that Congress has left a gap for the agency to fill means that courts should defer to the agency’s reasonable gap-filling decisions, not that courts should cease to mark the bounds of delegated agency choice.2 In cases involving agency adjudication, we have sometimes described the court’s role as deciding pure questions of statu­ tory construction and the agency’s role as applying law to fact. See, e. g., Cardoza-Fonseca, 480 U. S. 421; NLRB v.

Food & Commercial Workers, 484 U. S. 112 (1987); see also Republic of Austria v. Altmann, 541 U. S. 677, 701–702 (2004). While this phrasing is peculiar to the adjudicatory context, the principle applies to Chevron’s domain more broadly. In the context of agency rulemaking, for instance, we might distinguish between pure questions of statutory interpretation and policymaking, or between central legal is­ sues and interstitial questions. See Barnhart v. Walton, 535 U. S. 212, 222 (2002).3 The label is immaterial. What matters is the principle: Certain aspects of statutory inter­ pretation remain within the purview of the courts, even when the statute is not entirely clear, while others are prop­ erly understood as delegated by Congress to an expert and accountable administrative body. Statutory language may thus admit of both judicial construction and agency exposition.

2

Cf. United States v. Mead Corp., 533 U. S. 218, 236–238 (2001); Barn­ hart v. Walton, 535 U. S. 212, 222 (2002) (noting that Mead “indicated that whether a court should give [Chevron] deference depends in significant part upon the interpretive method used and the nature of the question at issue”).

3

The Administrative Procedure Act draws a similar distinction in pro­ viding that courts “shall decide all relevant questions of law [and] inter­ pret constitutional and statutory provisions” but shall review “agency action, findings, and conclusions” under the arbitrary and capricious/ abuse-of-discretion standard. 5 U. S. C. § 706.

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Opinion of Stevens, J.

Two of this Court’s cases construing the Immigration and Nationality Act (INA), 66 Stat. 166, 8 U. S. C. § 1101 et seq., illustrate the proper division of responsibility between courts and agencies and highlight when Chevron deference is appropriate and when it is not. In Cardoza-Fonseca, the question was whether the standard of INA § 243(h), 8 U. S. C. § 1253(h) (1982 ed.), which requires an alien to show that she is more likely than not to be subject to persecution if she is deported, also governs applications for asylum under § 208(a), 8 U. S. C. § 1158(a) (1982 ed.), which authorizes the Attorney General to grant asylum to an alien who has a well-founded fear of persecution in her home country. After considering the INA’s language, its legislative history, and the United Nations Protocol that Congress had implemented, the Court determined that the two standards are not the same.

In so holding, we decisively rejected the Government’s contention, echoed by Justice Scalia’s concurrence in the judgment, that the Board of Immigration Appeals’ (BIA) in­ terpretation of the statute merited deference under our then-recent decision in Chevron. “The question whether Congress intended the two standards to be identical is a pure question of statutory construction for the courts to decide,” we stated. 480 U. S., at 446. We therefore did not defer to the BIA’s interpretation of the two standards as equivalent but instead employed traditional tools of statutory construc­ tion and “concluded that Congress did not intend the two standards to be identical.” Ibid.4

4

Justice Scalia objected in particular to the majority’s holding that pure questions of statutory construction are for the courts, not agencies, to decide; he insisted this was unfaithful to Chevron, “since in Chevron the Court deferred to the Environmental Protection Agency’s abstract interpretation of the phrase ‘stationary source.’ ” 480 U. S., at 455 (opin­ ion concurring in judgment). The majority rejected Justice Scalia’s argument, recognizing that Chevron involved an agency’s complex policy

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Importantly, we recognized that Chevron deference need not be an all-or-nothing venture. Even after the question of the standards’ equivalency was resolved, there remained the question of their application. We explained: “The nar­ row legal question whether the two standards are the same is, of course, quite different from the question of interpreta­ tion that arises in each case in which the agency is required to apply either or both standards to a particular set of facts.” 480 U. S., at 448. And we noted that applying the INA was a task particularly suited to the agency’s unique competen­ cies: “There is obviously some ambiguity in a term like ‘well-founded fear’ which can only be given concrete meaning through a process of case-by-case adjudication. In that process of filling ‘ “any gap left, implicitly or explicitly by Congress,” ’ the courts must respect the interpretation of the agency to which Congress has delegated the responsibility for administering the statutory program.” Ibid. (quoting Chevron, 467 U. S., at 843, in turn quoting Morton v. Ruiz,

In INS v. Aguirre-Aguirre, 526 U. S. 415 (1999), the Court encountered just the type of agency decision Cardoza- Fonseca indicated would warrant Chevron deference. The BIA had denied withholding of deportation because it found that the respondent had “committed a serious nonpolit­ ical crime” before he entered the United States, 8 U. S. C. § 1253(h)(2)(C) (1994 ed.). The Court of Appeals reversed the agency’s decision and required it to supplement its bal­ ancing test with specific additional factors (such as whether the respondent’s acts were grossly out of proportion to their objective and whether the acts were politically necessary and successful).

We reversed the Court of Appeals, concluding that Chev­ ron deference should be accorded to the BIA “as it gives

judgment about how to fill a statutory gap, not a pure question of statu­ tory construction. See 480 U. S., at 445–448, and n. 29 (quoting exten­ sively from Chevron).

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Opinion of Stevens, J.

ambiguous statutory terms ‘concrete meaning through a process of case-by-case adjudication.’ ” 526 U. S., at 425 (quoting Cardoza-Fonseca, 480 U. S., at 448). The BIA’s for­ mulation of a test to apply the statutory standard in individ­ ual cases and its application of that test in respondent’s case were precisely the sort of agency actions that merited judi­ cial deference.

The threshold question the Court addresses today is the kind of “pure question of statutory construction for the courts to decide” that we answered in Cardoza-Fonseca, id., at 446, rather than a fact-intensive question of the kind we addressed in Aguirre-Aguirre. Just as we decided the nar­ row legal question presented in Cardoza-Fonseca but did not “attempt to set forth a detailed description of how the ‘well­ founded fear’ test should be applied,” 480 U. S., at 448, I would decide the narrow legal question now before us and remand for the agency to determine how the persecutor bar applies in individual cases.5 For reasons similar to those set forth in my dissent in Fed­ orenko, I think it plain that the persecutor bar does not dis­

5

The majority suggests that this approach is inconsistent with the “ ‘or­ dinary “remand” rule’ ” articulated in Gonzales v. Thomas, 547 U. S. 183 (2006) (per curiam), and INS v. Orlando Ventura, 537 U. S. 12 (2002) (per curiam). Ante, at 523–524. But those cases involved exactly the sort of application of law to fact that is within the agency’s purview. In Thomas, the Court of Appeals decided that the family at issue “fell within the scope of the statutory term ‘particular social group.’ ” 547 U. S., at 185. We noted that the BIA had not considered this question, which “require[d] determining the facts and deciding whether the facts as found f[e]ll within a statutory term.” Id., at 186. Accordingly, we held that the court should have remanded to the agency. Similarly, in Ventura, the Court of Appeals addressed an issue that the BIA had not reached and concluded that conditions in Guatemala had so improved that no realistic threat of persecution currently existed. The Government argued that the court had not respected “the BIA’s role as fact-finder,” 537 U. S., at 16, and we agreed, reversing the court’s judgment insofar as it had not remanded to the agency.

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qualify from asylum or withholding of removal an alien whose conduct was coerced or otherwise the product of du­ ress. Although I agree in full with the Court’s conclusion that the majority opinion in Fedorenko does not govern our interpretation of the persecutor bar, the differences the Court highlights between the Displaced Persons Act of 1948 (DPA), 62 Stat. 1009, and the Refugee Act of 1980, 94 Stat.

102, only strengthen my conclusion that voluntary assistance in persecution is required and that duress and coercion viti­ ate voluntariness.

The Fedorenko Court’s construction of the DPA threat­ ened to exclude from the United States concentration camp prisoners who were forced to assist the Nazis in the persecu­ tion of other prisoners. In my view, this construction was insupportable—the DPA’s exclusion of persons who “assisted the enemy in persecuting civil populations,” Constitution of the International Refugee Organization, Annex I, Pt. II, § 2(a), 62 Stat. 3051, did not extend to concentration camp prisoners who did so involuntarily. These prisoners were victims, not persecutors.

Without an exception for involuntary action, the Refugee Act’s bar would similarly treat entire classes of victims as persecutors. The Act does not support such a reading.

The language of the persecutor bar is most naturally read to denote culpable conduct, and this reading is powerfully supported by the statutory context and legislative history.

As this Court has previously recognized—and as the ma­ jority acknowledges again today—Congress passed the Ref­ ugee Act to implement the United Nations Convention Re­ lating to the Status of Refugees, July 28, 1951, 189 U. N. T. S.

150 (hereinafter Convention), reprinted in 19 U. S. T. 6259, and the 1967 United Nations Protocol Relating to the Status of Refugees, Jan. 31, 1967, [1968] 19 U. S. T. 6223, T. I. A. S.

No. 6577 (hereinafter Protocol). These treaties place a man­ datory obligation on signatory states not to “expel or return (‘refouler’) a refugee in any manner whatsoever to . . . terri­

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Opinion of Stevens, J.

tories where his life or freedom would be threatened on ac­ count of his race, religion, nationality, membership of a par­ ticular social group or political opinion.” Convention, Art.

33(1), 19 U. S. T., at 6276; Protocol, Art. I, 19 U. S. T., at

specifically tracks this language. 8 U. S. C. § 1231(b)(3)(A); see H. R. Rep. No. 96–608, p. 18 (1979) (withholding of re­ moval provision “clearly reflects our legal obligations under international agreements,” specifically Convention Article 33).6 The Convention excludes from the nonrefoulement obliga­ tion of Article 33 persons who have “committed a crime against peace, a war crime, or a crime against humanity.” Convention, Art. 1(F)(a), 19 U. S. T., at 6263. It is this ex­ ception that the persecutor bar reflects. See, e. g., H. R.

Rep. No. 96–608, at 18 (persecutor bar encompasses “ex­ ceptions . . . provided in the Convention relating to aliens who have themselves participated in persecution”); H. R.

Conf. Rep. No. 96–781, p. 20 (1980). The language of the Convention’s exception is critical: We do not normally convict individuals of crimes when their actions are coerced or oth­ erwise involuntary. Indeed, the United Nations Handbook,

6

Asylum and withholding of removal address concerns different from those addressed by the Convention Against Torture and Other Cruel, In­ human, or Degrading Treatment or Punishment (CAT) and its implement­ ing regulations. CAT, Dec. 10, 1984, S. Treaty Doc. No. 100–20, 1465

U. N. T. S. 85; 8 CFR §§ 1208.16–1208.18 (2008). The CAT prohibits a

state party from returning any person to a country where there is sub­ stantial reason to believe he might be tortured, but its definition of torture covers a narrower class of harms, imposed by a narrower class of actors, than the asylum and withholding of removal provisions. Most impor­ tantly, the CAT limits its definition of torture to acts “inflicted by or at the instigation of or with the consent or acquiescence of a public official or other person acting in an official capacity,” Pt. I, Art. 1, ¶ 1, p. 19, while asylum and withholding of removal are available to victims of harm in­ flicted by private actors, without regard to state involvement, see, e. g., In re Kasinga, 21 I. & N. Dec. 357, 365 (BIA 1996); In re H—, 21 I. & N. Dec.

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to which the Court has looked for guidance in the past, states that all relevant factors, including “mitigating circum­ stances,” must be considered in determining whether an alien’s acts are of a “criminal nature” as contemplated by Article 1(F). Office of the United Nations High Commis­ sioner for Refugees, Handbook on Procedures and Criteria for Determining Refugee Status ¶¶ 157, 162 (reedited Jan.

1992). Other states parties to the Convention and Protocol likewise read the Convention’s exception as limited to culpa­ ble conduct.7 When we interpret treaties, we consider the interpretations of the courts of other nations, and we should do the same when Congress asks us to interpret a statute in light of a treaty’s language. See Zicherman v. Korean Air Lines Co., 516 U. S. 217, 226–228 (1996). Congress’ effort to conform United States law to the standard set forth in the

U. N. Convention and Protocol shows that it intended the

persecutor bar to apply only to culpable, voluntary acts—and it underscores that Congress did not delegate the question presented by this case to the agency.

While I would hold that the persecutor bar does not auto­ matically disqualify from asylum or withholding of removal an alien who acted involuntarily,8 I would leave for the Attor­

7

See, e. g., Canada v. Asghedom, [2001] F. C. T. 972, ¶ 28 (Can. Fed.

Ct.); Gurung v. Secretary of State for Home Dept., [2002] UKIAT 4870, ¶¶ 108–110 (U. K. Immigr. App. Trib.); SRYYY v. Minister for Immigra­ tion & Multicultural & Indigenous Affairs, [2005] 147 F. C. R. 1, ¶¶ 126– 128 (Austl. Fed. Ct.); Refugee Appeal No. 2142/94, pp. 12–14 (N. Z. Refugee Status App. Auth., Mar. 20, 1997). Notions of culpability have deep roots in asylum law. See generally 2 H. Grotius, De Jure Belli ac Pacis Libri Tres, ch. XXI, § V(1), p. 530 (J. Scott ed., F. Kelsey et al. transl., 1925) (“[P]laces of asylum were available [in ancient times] for those from whose hands a chance missile had slain a man” and for those with “innocent” minds).

8

Other considerations that are not presented in this case, such as an alien’s lack of knowledge that he was involved in a persecutory act, could likewise indicate that he did not act with the requisite culpability. See,

e. g., Castañeda-Castillo v. Gonzales, 488 F. 3d 17, 20–22 (CA1 2007) (en

banc); Hernandez v. Reno, 258 F. 3d 806, 814 (CA8 2001).

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Thomas, J., dissenting

ney General—and, through his own delegation, the BIA—the question how the voluntariness standard should be applied.

The agency would retain the ability, for instance, to define duress and coercion; to determine whether or not a balancing test should be employed; and, of course, to decide whether any individual asylum-seeker’s acts were covered by the per­ secutor bar. Those are the sorts of questions suited to the agency’s unique competencies in administering the INA.

The threshold question before the Court is not.

Because I remain convinced that the narrower interpreta­ tion of Chevron endorsed by the Court in Cardoza-Fonseca was more faithful to the rationale of that case than the broader view the Court adopts today, I am unable to join its opinion. I would answer the question of law that this case presents with an unequivocal “no” and remand to the agency for further proceedings.

Justice Thomas, dissenting.

The “persecutor bar” in the Immigration and Nationality Act (INA) denies asylum and the withholding of removal to any alien who has “ordered, incited, assisted, or otherwise participated in the persecution of any person on account of race, religion, nationality, membership in a particular so­ cial group, or political opinion.” 8 U. S. C. §§ 1101(a)(42), 1158(b)(2)(A), 1231(b)(3)(B)(i). The Board of Immigration Appeals (BIA), principally relying on this Court’s decision in Fedorenko v. United States, 449 U. S. 490 (1981), held that the statute does not require that the persecution be volun­ tarily inflicted. The Court of Appeals for the Fifth Circuit affirmed.

According to the Court, Fedorenko, which construed the similar text of a persecution bar in the Displaced Persons Act of 1948 (DPA), is largely irrelevant to the question pre­ sented here. See ante, at 518–523; see also ante, at 525

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Thomas, J., dissenting

(Scalia, J., concurring). The majority further holds that the INA is ambiguous as to “whether coercion or duress is relevant in determining if an alien assisted or otherwise par­ ticipated in persecution” and that the agency, therefore, should interpret the statute in the first instance to determine whether it reasonably can be read to include a voluntariness requirement. Ante, at 517, 523–524; see also ante, at 525 (Scalia, J., concurring). I disagree with both of these con­ clusions. Because the INA unambiguously precludes any inquiry into whether the persecutor acted voluntarily, i. e., free from coercion or duress, I would affirm the judgment of the Court of Appeals. I respectfully dissent.

Petitioner Daniel Girmai Negusie testified to the Immigra­ tion Judge (IJ) that he was forced to work as an armed guard for four years at an Eritrean prison camp where prisoners were persecuted because of their religious beliefs. Accord­ ing to petitioner, part of his job was “to firmly control the prisoners, to punish the prisoners, too, by exposing them” to the extreme heat of the African sun. App. 58. The guards “would . . . hold [a] stick [with] their hand” and follow prison­ ers who were being forced to “roll on the ground in the sun.” Id., at 23. Because “it was extremely hot,” prisoners would quickly “get tired and [feel] shortness of breath and stop” rolling. Id., at 24. They were then beaten. Prisoners typ­ ically could not survive this punishment for more than two hours. Indeed, at least one prisoner died from sun exposure while petitioner stood guard. See ante, at 515 (majority opinion).

Petitioner testified that, as a guard, he prevented the pris­ oners from showering and forbade them from leaving their rooms for fresh air. This form of punishment was particu­ larly severe because the prisons were “built from stone and bricks” with “no cooling system, no ventilation, no windows,” and intolerable heat. App. 20, 30. Petitioner also pre­

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Thomas, J., dissenting

vented prisoner escapes, for which the punishment was forced sun exposure. And, although petitioner never used “electricity to torture” prisoners, he was aware that his su­ pervisor did. Id., at 61–62.

But petitioner, who had converted to Protestantism when he was confined as a prisoner at the camp, also testified that he did not want to persecute any of the prisoners because his new religion taught him “to be merciful.” Id., at 34.

Thus, at times he disobeyed his orders. On one occasion, he gave water to a prisoner who was dying from sun exposure.

On another occasion, he let female prisoners take showers after they had been denied that privilege “for a long time.” Id., at 37. Petitioner also occasionally allowed some of the prisoners to “go outside during the night and during the eve­ nings and . . . refresh themselves in the fresh air.” Id., at 37–38.

After four years as a prison guard, petitioner deserted his post, swam to a shipping container, and hid inside. See ante, at 515 (majority opinion). The container arrived in the United States with petitioner inside on December 20, 2004.

Petitioner applied for asylum and the withholding of removal under the INA, 8 U. S. C. § 1101 et seq. He also applied for protection under the Convention Against Torture and Other Cruel, Inhuman, or Degrading Treatment or Punishment (CAT), under which it is “the policy of the United States not to expel, extradite, or otherwise effect the involuntary re­ turn of any person to a country in which there are substan­ tial grounds for believing the person would be in danger of being subjected to torture.” Foreign Affairs Reform and Restructuring Act of 1998, § 2242(a), 112 Stat. 2681–822, note following 8 U. S. C. § 1231, p. 263 (United States Policy with Respect to Involuntary Return of Persons in Danger of Sub­ jection to Torture (hereinafter CAT Policy)). See also CAT, Dec. 10, 1984, S. Treaty Doc. No. 100–20, 1465 U. N. T. S. 85.

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executed” because he had converted to Protestantism and deserted his military post. App. 65, 68.

The INA provides the Executive with the discretion to grant asylum to aliens that are “unable or unwilling” to re­ turn to their home country “because of persecution or a well-founded fear of persecution on account of race, religion, nationality, membership in a particular social group, or polit­ ical opinion.” 8 U. S. C. §§ 1101(a)(42)(A), 1158(b)(1). The INA also requires the Executive to withhold removal of aliens to a country in which there is a “clear probability” that their “life or freedom would be threatened” because of their “race, religion, nationality, membership in a particular social group, or political opinion.” § 1231(b)(3)(A). How­ ever, the INA prohibits the Executive from granting asylum or withholding removal if an alien “ordered, incited, assisted, or otherwise participated in the persecution” of any per­ son on account of “race, religion, nationality, membership in a particular social group, or political opinion.” § 1158(b) (2)(A)(i) (asylum); § 1231(b)(3)(B) (withholding of removal).

Nonetheless, in light of the CAT’s requirement that “[n]o State Party shall . . . return . . . a person to another State where there are substantial grounds for believing that he would be in danger of being subjected to torture,” Art. 3,

S. Treaty Doc. No. 100–20, at 20, regulations implementing

that convention provide “deferral of removal” to aliens sub­ ject to the INA persecutor bar who would more likely than not be tortured if removed to their home country.1 8 CFR

1

“Deferral of removal” was created to accommodate Congress’ direction to exclude those who fall within the INA persecutor bar “[t]o the maxi­ mum extent consistent with the obligations of the United States under the [CAT]” not to return an alien to a country in which he or she will be tortured. CAT Policy (c), at 263. To accomplish that goal, deferral of removal provides “a less permanent form of protection than withholding of removal and one that is more easily and quickly terminated if it becomes possible to remove the alien consistent with Article 3” of the CAT, 64 Fed.

Reg. 8480 (1999), while also “ensur[ing] that [such aliens] are not returned to a country where they would be tortured,” id., at 8481.

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§§ 1208.16(c)(4), (d)(2), 1208.17(a) (2008); see also CAT Policy (b), at 263 (requiring federal agencies to “prescribe regula­ tions to implement the obligations of the United States under Article 3 of the [CAT], subject to any reservations, under­ standings, declarations, and provisos contained in the United States Senate resolution of ratification of the Convention”).

The IJ denied petitioner’s applications for asylum and the withholding of removal, but granted him deferral of removal.

The BIA affirmed. In their view, petitioner’s conduct objec­ tively qualified as assistance or participation in the per­ secution of others based on religion. See ante, at 515–516 (majority opinion). Relying on Fedorenko, the IJ and BIA found that even if petitioner was “compelled to participate as a prison guard” against his wishes, his “motivation and intent are irrelevant to the issue of whether he ‘assisted’ in persecution.” Ante, at 516 (some internal quotation marks omitted). Therefore, petitioner was ineligible for asylum or the withholding of removal under the INA. The IJ and BIA agreed, however, that petitioner qualified for de­ ferral of removal because it is “more likely than not that he would be tortured” if returned to Eritrea given that its “government has used deadly force and threatened to use deadly force against deserters.” App. to Pet. for Cert. 20a, 19a. The Court of Appeals affirmed. See Negusie v. Gon­ zales, 231 Fed. Appx. 325, 326 (CA5 2007) (per curiam).

As with all statutory interpretation questions, construc­ tion of the INA’s persecutor bar must begin with the plain language of the statute. See Jimenez v. Quarterman, ante, at 118 (citing Lamie v. United States Trustee, 540 U. S. 526, 534 (2004)). If the text of a statute governing agency action “ ‘directly addresse[s] the precise question at issue,’ ” then “ ‘that is the end of the matter; for the court, as well as the agency, must give effect to the unambiguously expressed in­ tent of Congress.’ ” National Assn. of Home Builders v.

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Defenders of Wildlife, 551 U. S. 644, 665 (2007) (quoting Chevron U. S. A. Inc. v. Natural Resources Defense Council, Inc., 467 U. S. 837, 842–843 (1984)).

A court must first “look to the particular statutory lan­ guage at issue.” K mart Corp. v. Cartier, Inc., 486 U. S.

281, 291 (1988). As the majority acknowledges, see ante, at 518, the text of the INA’s persecutor bar neither includes the term “voluntary” nor contains an exception for invol­ untary, coerced conduct. The statute instead applies to any alien who “ordered, incited, assisted, or otherwise par­ ticipated in the persecution of any person” on account of a protected ground. 8 U. S. C. §§ 1101(a)(42), 1158(b)(2)(A)(i), 1231(b)(3)(B)(i).

The statute’s key terms also do not imply any voluntari­ ness requirement for persecution. Under the ordinary meaning of the term “persecution” at the time of the stat­ ute’s enactment in 1980 and its reenactment in 1996, the act of persecution alone is sufficient to classify one’s conduct as persecution. See Webster’s Ninth New Collegiate Diction­ ary 877 (1991) (hereinafter Webster’s Ninth) (defining “per­ secution” as “the act or practice of persecuting esp. those who differ in origin, religion, or social outlook”); see also Webster’s New Collegiate Dictionary 855 (1975) (hereinafter Webster’s) (same). The term itself includes no intrinsic mens rea requirement. As a result, an individual can “per­ secute”—meaning “harass in a manner designed to injure, grieve, or afflict”—without having designed the act or in­ tended for injury, grief, or affliction to occur. Webster’s Ninth 877; see also Webster’s 855 (same).

The persecutor bar’s inclusion of those who “assist” or “participate” confirms that it does not include a voluntari­ ness requirement. The term “assist” is defined as “to give support or aid,” Webster’s Ninth 109, or “to help,” Oxford American Dictionary 36 (1980) (hereinafter Oxford). See

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also Black’s Law Dictionary 111 (5th ed. 1979) (hereinafter Black’s) (defining “assist” as “[t]o help; aid; succor; lend coun­ tenance or encouragement to; participate in as an auxiliary”).

And “participate” means simply “to take part,” Webster’s Ninth 858, or “to have a share, to take part in something,” Oxford 487; see also Black’s 1007 (defining “participate” as “[t]o receive or have a part or share of; to partake of; experi­ ence in common with others; to have or enjoy a part or share in common with others”). Accordingly, this Court has con­ cluded that the ordinary meanings of “assist” and “partici­ pate” do not “connote voluntariness.” Pennsylvania Dept. of Corrections v. Yeskey, 524 U. S. 206, 211 (1998) (partici­ pate); see also Fedorenko, 449 U. S., at 512 (assist). These are “terms and concepts of breadth,” Russello v. United States, 464 U. S. 16, 21–22 (1983), that require only that an individual take “some part in” an activity, or help it to occur in some way, Reves v. Ernst & Young, 507 U. S. 170, 178–179 (1993) (emphasis in original). Even if participation or assist­ ance is coerced, it remains participation or assistance just the same.

In addition to the particular statutory section of the INA before the Court, “the language and design of the statute as a whole” is instructive in determining the provision’s plain meaning. K mart Corp., supra, at 291; see also Amoco Pro­ duction Co. v. Gambell, 480 U. S. 531, 552–553 (1987). Here, the INA’s design and structure buttress the conclusion that the persecutor bar applies irrespective of voluntariness.

First, Congress has evidenced its ability to both specifi­ cally require voluntary conduct and explicitly exclude invol­ untary conduct in other provisions of the INA. See infra, at 552–553. For example, Congress has barred admission to the United States of totalitarian party members unless their membership was “involuntary,” 8 U. S. C. § 1182(a)(3)(D)(ii), and it has provided for the termination of asylum when an alien “has voluntarily availed himself or herself ” of another

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country’s protections, § 1158(c)(2)(D). “[W]here Congress includes particular language in one section of a statute but omits it in another section of the same Act, it is generally presumed that Congress acts intentionally and purposely in the disparate inclusion or exclusion.” Russello, supra, at 23 (internal quotation marks omitted); see, e. g., Barnhart v.

Sigmon Coal Co., 534 U. S. 438, 452–454 (2002). The ab­ sence of a voluntariness requirement in the INA persecutor bar is no exception.

Second, federal immigration law provides calibrated reme­ dies, which include partial refuge for specified aliens who have both suffered from and inflicted persecution. Those who have been persecuted and have not engaged in persecu­ tion may receive both asylum and the withholding of re­ moval. §§ 1231(b)(3)(A), 1158(b)(1)(A). Those at the other end of the spectrum, who have not been persecuted but have persecuted others, may not receive either asylum or the withholding of removal. §§ 1231(b)(3)(B)(i), 1158(b)(2)(A)(i).

And finally, for many individuals who (like petitioner) have both persecuted others and been persecuted, the scheme pro­ vides temporary refuge; they will receive deferral of removal under the CAT if they will face torture upon their return to their home country. CAT Policy (a), at 263; see also 8 CFR §§ 1208.13(a), 1208.16(d)(2).

Where “Congress has enacted a comprehensive scheme and has deliberately targeted specific problems with specific solutions,” courts should not read one part of the legislative regime (the INA) to provide a different, and conflicting, solu­ tion to a problem that has already been specifically ad­ dressed elsewhere in the federal immigration regime (regu­ lations implementing the CAT). Varity Corp. v. Howe, 516

U. S. 489, 519 (1996) (Thomas, J., dissenting); see also Trans­

america Mortgage Advisors, Inc. v. Lewis, 444 U. S. 11, 19 (1979). Federal law provides only partial protection to a victim of persecution who has also engaged in persecution, voluntarily or not. There simply is no justification for writ­

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ing into the INA’s persecutor bar the greater protections of asylum and the withholding of removal for individuals who were coerced into engaging in persecution. That is, the “assumption of inadvertent omission” of a voluntariness re­ quirement in the INA “is rendered especially suspect upon close consideration of [a statute’s] interlocking, interrelated, and interdependent remedial scheme” that addresses the specific problem at issue in a conflicting way. Massachu- setts Mut. Life Ins. Co. v. Russell, 473 U. S. 134, 146–147 (1985).2

Finally, Congress is aware of a judicial interpretation of statutory language and “adopt[s] that interpretation when it re-enacts a statute without change.” Lorillard v. Pons, 434

U. S. 575, 580 (1978); see also Traynor v. Turnage, 485 U. S.

535, 546 (1988); 2B N. Singer & J. Singer, Sutherland on Stat­ utory Construction § 49.9, pp. 127–133 (7th ed. 2008). Here, the statutory and decisional backdrop against which Con­ gress enacted the INA’s persecutor bar counsels against grafting a voluntariness requirement onto the statute.

When Congress enacted the INA’s persecutor bar, it essen­ tially retained the language used in similar predecessor stat­ utes. Under the 1948 DPA persecutor bar, entry was denied

2

It also is important to acknowledge that the object of the INA is to codify Congress’ policy decisions “ ‘pertaining to the entry of aliens and their right to remain’ ” in the United States—decisions that are “ ‘en­ trusted exclusively to Congress.’ ” Kleindienst v. Mandel, 408 U. S. 753, 766, 767 (1972) (quoting Galvan v. Press, 347 U. S. 522, 531–532 (1954)).

In fact, “over no conceivable subject is the legislative power of Congress more complete than it is over” the decision of Congress to admit or to exclude aliens. Oceanic Steam Nav. Co. v. Stranahan, 214 U. S. 320, 339 (1909). Courts therefore must enforce the immigration policy decision re­ flected in a statute’s plain terms, even if Congress has chosen “to forbid the entrance of foreigners within its dominions” altogether, Fong Yue Ting

v. United States, 149 U. S. 698, 705 (1893). Likewise, here, where Con­

gress has made a judgment about which persons to admit and exclude from the country, it is not for this Court to question the wisdom of that choice.

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to all who “ ‘assisted the enemy in persecuting civil[ians].’ ” Fedorenko, supra, at 495 (quoting 62 Stat. 3051). In 1950, Congress added a second persecutor bar to the DPA that applied “to any person who advocated or assisted in the per­ secution of any person because of race, religion, or national origin.” § 13, 64 Stat. 227. In the years that followed, Con­ gress continued to use this same broad language in denying asylum to specific categories of persecutors. See, e. g., § 105, 91 Stat. 1224 (denying permanent residence to aliens from Vietnam, Laos, and Cambodia “who ordered, assisted, or otherwise participated in the persecution of any person be­ cause of race, religion, or political opinion”); 8 U. S. C. §§ 1182(a)(3)(E), 1227(a)(4)(D) (authorizing the exclusion of anyone who had been associated with Nazi forces and had “ordered, incited, assisted, or otherwise participated in the persecution of any person because of race, religion, national origin, or political opinion”); § 14(a), 67 Stat. 406 (imposing persecutor bar on “any person who personally advocated or assisted in the persecution of . . . [a] group of persons because of race, religion, or national origin”).

Congress then enacted the INA bar in 1980. This statute comprehensively labeled as a persecutor “any person who ordered, incited, assisted, or otherwise participated in the persecution of any person on account of race, religion, nation­ ality, membership in a particular social group, or political opinion.” § 201(a), 94 Stat. 102–103. Congress reenacted the INA’s persecutor bar in 1996 and retained its breadth.

See Illegal Immigration Reform and Immigrant Responsibil­ ity Act of 1996 (IIRIRA), §§ 305(a)(3), 601(a)(1), 604(a), 110 Stat. 3009–602, 3009–689, 3009–691.

Congress’ uninterrupted use of this broad statutory lan­ guage, which parallels the persecutor bars dating back to 1948, was not accidental. By the time of the 1996 reenact­ ment, this Court had specifically interpreted the plain lan­ guage of the predecessor bars to apply regardless of the voluntariness of a persecutor’s conduct. See Fedorenko,

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Thomas, J., dissenting 449 U. S., at 512 (1948 DPA bar); see also United States v.

Koreh, 59 F. 3d 431, 439 (CA3 1995) (1950 DPA bar); United States v. Schmidt, 923 F. 2d 1253, 1258 (CA7 1991) (1948 DPA bar); Maikovskis v. INS, 773 F. 2d 435, 445–446 (CA2 1985) (8

U. S. C. § 1251(a)(19) (1982 ed.), transferred to § 1227(a)(4)(D)

(2006 ed.)). In particular, this Court had held that the phrase in the 1948 DPA bar, “assisted the enemy in persecut­ ing civil[ians],” contained no “ ‘involuntary assistance’ excep­ tion.” Fedorenko, 449 U. S., at 512. Rather, the statute’s “plain language” made clear that “an individual’s service as a concentration camp armed guard—whether voluntary or involuntary—made him ineligible for a visa.” Ibid.

In light of this legal backdrop, Congress’ decisions in 1980 and 1996 to retain a persecutor bar that broadly applies to anyone who “assisted, or otherwise participated in the perse­ cution” of any person, §§ 1158(b)(2)(A)(i), 1231(b)(3)(B), is sig­ nificant evidence that Congress did not intend to include any involuntariness exception in the INA bar. This Court must assume, absent textual proof to the contrary, that Congress was aware of the Fedorenko decision when it reenacted the persecutor bar and thus “adopt[ed] that interpretation when it re-enact[ed the] statute without change,” Lorillard, supra, at 580.

In sum, the INA’s persecutor bar does not require that assistance or participation in persecution be voluntary or un­ coerced to fall within the statute’s reach. It instead “man­ dates precisely” what it says: “[A]n individual’s service as a [prison] camp armed guard—whether voluntary or involun­ tary—ma[kes] him ineligible for” asylum or withholding of removal if the guard’s service involved assistance or partici­ pation in the persecution of another person on account of a protected ground. Fedorenko, supra, at 512. Here, it is undisputed that petitioner served at a prison camp where guards persecuted prisoners because of their religious be­ liefs. See ante, at 515 (majority opinion). It also is undis­

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puted that petitioner carried out the persecution by prevent­ ing prisoners from escaping and by standing guard while at least one prisoner died from sun exposure. Ibid. Peti­ tioner, therefore, “assisted, or otherwise participated,” in persecution and thus is statutorily disqualified from receiv­ ing asylum or withholding of removal under the INA.3

The majority nevertheless concludes the statute’s “si­ lence,” ante, at 518, creates ambiguity, and therefore remands the case to the BIA for it to determine, in the first instance, whether persecution must be voluntary to fall within the terms of the INA’s persecutor bar. “The Court’s efforts to derive ambiguity from th[e] utmost clarity” of the persecutor bar, however, “are unconvincing” in every respect. INS v.

St. Cyr, 533 U. S. 289, 329 (2001) (Scalia, J., dissenting).

3

Justice Stevens also finds the language of the INA’s persecutor bar “plain,” but concludes that it must incorporate a culpability requirement because the statute applies to those whose “acts are of a ‘criminal na­ ture.’ ” See ante, at 534, 537 (opinion concurring in part and dissenting in part). I disagree. The decision to admit an alien is a matter of legisla­ tive grace, see n. 2, supra, for which judicial review has been “consistently classified” as civil in nature, Harisiades v. Shaughnessy, 342 U. S. 580, 594 (1952); see also Zadvydas v. Davis, 533 U. S. 678, 720 (2001) (Kennedy, J., dissenting) (explaining that “ ‘an alien seeking initial admission to the United States requests a privilege and has no constitutional rights regard­ ing his application, for the power to admit or exclude aliens is a sovereign prerogative’ ” (quoting Landon v. Plasencia, 459 U. S. 21, 32 (1982))).

There is no warrant to read criminal-law requirements into a statute that is “nonpunitive in purpose and effect.” Zadvydas, supra, at 690. Fur­ ther, the conclusory pronouncement in the Office of the United Nations High Commissioner for Refugees’ Handbook on Procedures and Criteria for Determining Refugee Status ¶ 162 (reedited Jan. 1992), that “it has to be assumed, although this is not specifically stated, that the acts covered by the present clause must also be of a criminal nature,” is insufficient to require criminal proof to deny withholding of removal, contra, ante, at 536–537 (opinion of Stevens, J.). The United Nations handbook “is not binding on the Attorney General, the BIA, or United States courts.” INS

v. Aguirre-Aguirre, 526 U. S. 415, 427 (1999).

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The majority principally finds ambiguity in the statutory text because it does not include either the word “voluntary” or the word “involuntary.” See ante, at 519. But a statute cannot be deemed ambiguous until the court “exhaust[s] the aid of the ‘traditional tools of statutory construction’ ” and determines that Congress did not resolve the issue under consideration. Clark v. Martinez, 543 U. S. 371, 402 (2005) (Thomas, J., dissenting) (quoting Chevron, 467 U. S., at 843,

n. 9). Deeming a statute with broad terms to be ambiguous

for that reason alone essentially requires Congress either to obey a judicially imposed clear-statement rule or accept the risk that the courts may refuse to give full effect to a stat­ ute’s plain meaning in the name of Chevron deference. Not every difficult question of statutory construction amounts to a statutory gap for a federal agency to fill. See ante, at 529–531 (opinion of Stevens, J.). And the Court should not, “in the name of deference, abdicate its responsibility to in­ terpret a statute” simply because it requires some effort.

Global Crossing Telecommunications, Inc. v. Metrophones Telecommunications, Inc., 550 U. S. 45, 77 (2007) (Thomas, J., dissenting).

The majority makes no attempt to apply the “traditional tools of statutory construction” to the persecutor bar before retreating to ambiguity. See ante, at 517–518. Rather, it merely observes that Congress could have spoken more directly to the issue, which it finds sufficient to render the statute ambiguous on this score. Ante, at 518. But the absence of a phrase specifying that the provision applies to both involuntary and voluntary conduct is not definitive proof of ambiguity. It is certainly correct that Congress “ ‘could have spoken in clearer terms,’ ” Clark, 543 U. S., at 402 (Thomas, J., dissenting), as it almost always can in any statute. However, this “proves nothing” in evaluating whether the statute is ambiguous. Ibid. The question be­ fore the Court instead is whether Congress has provided an unambiguous answer in the plain language that it chose to

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use. Here, for the reasons just explained, the traditional tools of statutory interpretation show with “utmost clarity,” St. Cyr, supra, at 329 (Scalia, J., dissenting), that the stat­ ute applies regardless of the voluntariness of the alien who participates or assists in persecution.4 The majority also finds ambiguity based on differences be­ tween the INA and the DPA statutory bar considered in Fed­ orenko. In particular, the majority points to the Fedorenko Court’s reliance on a second part of the DPA persecutor bar, which applied to those who “ ‘voluntarily assisted the enemy forces . . . in their operations against the United Nations.’ ” 449 U. S., at 495, and n. 4 (quoting 62 Stat. 3052; emphasis added). The Court noted that “[u]nder traditional principles of statutory construction, the deliberate omission of the word ‘voluntary’ from § 2(a),” which addressed the assistance of persecution—but not from § 2(b)—“compel[led] the conclu­ sion that the statute made all those who assisted in the per­ secution of civilians ineligible for visas.” 449 U. S., at 512.

According to the majority, because the INA persecutor bar, unlike the DPA bar, does not include a provision limited by the word “voluntarily” adjacent to the provision that is not so limited, the absence of the adverb here cannot carry the significance given it in Fedorenko. See ante, at 519.

The majority’s reasoning is flawed. The mere fact that the INA’s persecutor bar is not accompanied by a neighbor­

4

Because this Court should not delegate the interpretation of the perse­ cutor bar’s plain meaning to a federal agency, see Board of Governors, FRS v. Dimension Financial Corp., 474 U. S. 361, 368 (1986), it is largely irrelevant whether the BIA properly relied on Fedorenko v. United States, 449 U. S. 490 (1981), in interpreting the statute, see ante, at 521–523 (ma­ jority opinion); ante, at 525 (Scalia, J., concurring). In any event, the BIA’s construction of the INA’s persecutor bar correctly reflected the text of the provision. There is no reason to remand the question to the agency when only one construction of the statute is permissible and the agency’s original decision adopted that proper construction. See National Cable & Telecommunications Assn. v. Brand X Internet Services, 545

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ing provision containing the word “voluntarily” does not ne­ gate the significance of the term’s absence when other INA provisions are explicitly limited to actions undertaken vol­ untarily. As noted above, see supra, at 544–545, the INA imposes a voluntariness requirement in a host of statutory provisions, see, e. g., 8 U. S. C. § 1158(c)(2)(D) (terminating asylum when alien has “voluntarily” availed himself of the protection of his country); §§ 1182(a)(3)(D)(i)–(ii) (denying ad­ mission and naturalization to those who have been members of, or affiliated with, “the Communist or any other totalitar­ ian party” unless that membership or affiliation was “invol­ untary”); § 1182(d)(3)(B)(i) (2006 ed., Supp. I) (denying admis­ sion to those who have “voluntarily and knowingly” engaged in, endorsed, espoused, or persuaded others to endorse, espouse, or support terrorist activity); § 1229c(a)(1) (allow­ ing an alien to “voluntarily” depart the United States); §§ 1424(a), (d) (precluding naturalization for members of cer­ tain totalitarian parties, unless membership was “involun­ tary”); § 1481(a) (providing for loss of nationality by “volun­ tarily” performing certain specified acts with the intention of relinquishing nationality).5 In the immigration and naturalization context, then, Con­ gress is certainly capable of declaring its preference for a voluntariness requirement. That Congress’ explicit refer­ ences to voluntariness appear in other sections of this partic­ ular statutory scheme, rather than in subsections of §§ 1158 or 1231, is immaterial. Cf. Russello, 464 U. S., at 23; Barn­

5

Moreover, in the Refugee Act of 1980, which added the persecutor bar to the INA, Congress separately codified its desire to “promote opportuni­ ties for resettlement or voluntary repatriation.” § 101(a), 94 Stat. 102, note following 8 U. S. C. § 1521. In 1996, when Congress reenacted the statutory text, it retained the persecution bar’s broad language while again restricting other sections to voluntary conduct. See IIRIRA, § 304,

110 Stat. 3009–587 (relating to “voluntary departure”); § 402, id., at 3009–

656 (relating to “voluntary” participation in pilot programs for confirming employment eligibility); § 604, id., at 3009–692 (providing for termination of asylum when alien “voluntarily” takes certain actions).

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hart, 534 U. S., at 452–454. And the fact that Congress, in the course of making structural revisions to the statutory regime, eliminated the specific dichotomy the Court noted in Fedorenko does not undermine the critical point: The INA expressly includes a voluntariness requirement in several places but does not impose such a requirement in the perse­ cution bar. Thus, the omission of the word “voluntarily” from the persecutor bar in the INA is just as conclusive as its omission from the persecutor bar in the DPA. With re­ spect to both statutes, the deliberate omission “compels the conclusion that the statute made all those who assisted in the persecution of civilians ineligible for visas.” 449 U. S., at 512.

Finally, the majority concludes that the DPA bar is distin­ guishable from the INA bar because the former was enacted in the context of the “ ‘ “crime against humanity that [was] involved in the concentration camp,” ’ ” which was so horrific that it is in a category all its own. Ante, at 520 (quoting Fedorenko, supra, at 511, n. 32). In that unique context, the majority reasons, it made sense to exclude “even those involved in nonculpable, involuntary assistance in Nazi per­ secution.” Ante, at 520. But the majority cannot intend to suggest that all acts of persecution during the Second World War were inherently more depraved or reprehensible than all acts of persecution that have occurred in the decades since the INA’s enactment.

Certainly, no such conclusion is compelled by the statutory text. Congress has steadfastly condemned all acts of perse­ cution. See 22 U. S. C. §§ 6401(a)(5)–(7) (noting that “Con­ gress has recognized and denounced acts of religious perse­ cution,” which can be “severe and violent” and “particularly widespread, systematic, and heinous under totalitarian gov­ ernments and in countries with militant, politicized religious majorities”); § 6401(b)(5) (announcing that it is the “policy of the United States” to “stan[d] with the persecuted”); § 501,

78 Stat. 1015 (“The Congress condemns the persecution of

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Thomas, J., dissenting

any persons because of their religion”); Refugee Act of 1980, § 101(a), 94 Stat. 102, note following 8 U. S. C. §1521 (“The Congress declares that it is the historic policy of the United States to respond to the urgent needs of persons subject to persecution in their homelands”). There is no reason to deny the INA persecutor bar its full meaning based on a speculative assumption that Congress, in 1980, could not have meant to oppose persecution quite as intensely as it did in the aftermath of World War II. Rather, the INA’s persecutor bar naturally extends to all acts of persecution and, therefore, requires the denial of asylum and withholding of removal for “even those involved in nonculpable, involun­ tary assistance in . . . persecution.” Ante, at 520 (majority opinion).

Because I conclude that the INA’s persecutor bar applies whether or not petitioner’s assistance or participation in per­ secution was voluntary, and because it is conceded that peti­ tioner assisted and participated in persecution while serving as an armed prison guard in Eritrea, I would affirm the deci­ sion of the Court of Appeals. Accordingly, I respectfully dissent.