Jose Padilla v. John Yoo ( 2012 )


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  •                      FOR PUBLICATION
    UNITED STATES COURT OF APPEALS
    FOR THE NINTH CIRCUIT
    JOSE PADILLA and ESTELA LEBRON,                   No. 09-16478
    Plaintiffs-Appellees,
    v.                                  D.C. No.
    3:08-cv-00035-JSW
    JOHN YOO,
    OPINION
    Defendant-Appellant.
    
    Appeal from the United States District Court
    for the Northern District of California
    Jeffrey S. White, District Judge, Presiding
    Argued and Submitted
    June 14, 2010—San Francisco, California
    Submission vacated October 18, 2010
    Resubmitted December 8, 2011
    Filed May 2, 2012
    Before: Raymond C. Fisher and N. Randy Smith,
    Circuit Judges, and Rebecca R. Pallmeyer,
    District Judge.*,**
    Opinion by Judge Fisher
    *The Honorable Rebecca R. Pallmeyer, United States District Judge for
    the Northern District of Illinois, sitting by designation.
    **Judge Smith was drawn to replace Judge Pamela A. Rymer on the
    panel following Judge Rymer’s untimely death. Judge Smith has read the
    briefs, reviewed the record and listened to the tape of oral argument.
    4505
    PADILLA v. YOO                    4509
    COUNSEL
    Miguel A. Estrada (argued) and Scott P. Martin, Gibson,
    Dunn & Crutcher LLP, Washington, D.C., for the appellant.
    Jonathan M. Freiman (argued), Hope R. Metcalf, Tahlia
    Townsend and Amos E. Friedland, New Haven, Connecticut;
    Natalie L. Bridgeman, San Francisco, California, for the
    appellees.
    Paul J. Orfanedes, Washington, D.C., for amicus curiae Judi-
    cial Watch, Inc.
    Michael F. Hertz, Deputy Assistant Attorney General, Bar-
    bara L. Herwig and Robert M. Loeb, U.S. Department of Jus-
    tice, Washington, D.C., for amicus curiae United States.
    Peter B. Ellis and Usha-Kiran K. Ghia, Foley Hoag LLP, Bos-
    ton, Massachusetts, for amici curiae Bruce Fein, Roberts B.
    Owen and Michael P. Scharf.
    Eric L. Lewis, Baach Robinson & Lewis PLLC, Washington,
    D.C.; Elizabeth A. Wilson, John C. Whitehead School of
    Diplomacy and International Relations, Seton Hall University,
    South Orange, New Jersey, for amici curiae Distinguished
    Professors of Constitutional and Federal Courts Law.
    Hamid Jabbar, Scottsdale, Arizona; Hirad D. Dadgostar, Los
    Angeles, California; Dawinder S. Sidhu, Potomac, Maryland,
    for amici curiae Legal Ethics Scholars.
    OPINION
    FISHER, Circuit Judge:
    After the September 11, 2001 attacks on the United States,
    the government detained Jose Padilla, an American citizen, as
    4510                    PADILLA v. YOO
    an enemy combatant. Padilla alleges that he was held incom-
    municado in military detention, subjected to coercive interro-
    gation techniques and detained under harsh conditions of
    confinement, all in violation of his constitutional and statutory
    rights. In this lawsuit, plaintiffs Padilla and his mother, Estela
    Lebron, seek to hold defendant John Yoo, who was the Dep-
    uty Assistant Attorney General in the U.S. Department of Jus-
    tice’s Office of Legal Counsel (OLC) from 2001 to 2003,
    liable for damages they allege they suffered from these
    unlawful actions. Under recent Supreme Court law, however,
    we are compelled to conclude that, regardless of the legality
    of Padilla’s detention and the wisdom of Yoo’s judgments, at
    the time he acted the law was not “sufficiently clear that every
    reasonable official would have understood that what he [wa]s
    doing violate[d]” the plaintiffs’ rights. Ashcroft v. al-Kidd,
    
    131 S. Ct. 2074
    , 2083 (2011) (internal quotation marks omit-
    ted). We therefore hold that Yoo must be granted qualified
    immunity, and accordingly reverse the decision of the district
    court.
    As we explain below, we reach this conclusion for two rea-
    sons. First, although during Yoo’s tenure at OLC the constitu-
    tional rights of convicted prisoners and persons subject to
    ordinary criminal process were, in many respects, clearly
    established, it was not “beyond debate” at that time that
    Padilla — who was not a convicted prisoner or criminal
    defendant, but a suspected terrorist designated an enemy com-
    batant and confined to military detention by order of the Pres-
    ident — was entitled to the same constitutional protections as
    an ordinary convicted prisoner or accused criminal. 
    Id.
     Sec-
    ond, although it has been clearly established for decades that
    torture of an American citizen violates the Constitution, and
    we assume without deciding that Padilla’s alleged treatment
    rose to the level of torture, that such treatment was torture was
    not clearly established in 2001-03.
    PADILLA v. YOO                          4511
    I.     BACKGROUND1
    A.
    In early May 2002, Padilla was arrested at Chicago O’Hare
    International Airport pursuant to a material witness warrant
    issued by the United States District Court for the Southern
    District of New York. Compl. ¶ 35. He was transported to
    New York, where he was held in custody in a federal deten-
    tion facility. 
    Id.
    On June 9, 2002, President George W. Bush issued an
    order declaring Padilla an “enemy combatant” and directing
    the Secretary of Defense to take Padilla into military custody.
    Compl. ¶ 40. The presidential order asserted that Padilla was
    “closely associated with al Qaeda”; that he had “engaged in
    conduct that constituted hostile and war-like acts, including
    conduct in preparation for acts of international terrorism that
    had the aim to cause injury to or adverse effects on the United
    States”; that he “possesse[d] intelligence, including intelli-
    gence about personnel and activities of al Qaeda, that, if com-
    municated to the U.S., would aid U.S. efforts to prevent
    attacks by al Qaeda on the United States”; that he “repre-
    sent[ed] a continuing, present and grave danger to the national
    security of the United States”; and that his detention was
    “necessary to prevent him from aiding al Qaeda in its efforts
    to attack the United States or its armed forces, other govern-
    mental personnel, or citizens.” Memorandum from President
    1
    Because Yoo appeals from the district court’s denial of a motion to dis-
    miss, we recite the facts as they appear in the plaintiffs’ first amended
    complaint. See Daniels-Hall v. Nat’l Educ. Ass’n, 
    629 F.3d 992
    , 998 (9th
    Cir. 2010) (“We accept as true all well-pleaded allegations of material
    fact, and construe them in the light most favorable to the non-moving
    party.”). We emphasize that this factual background is based only on the
    allegations of the plaintiffs’ complaint. Whether the plaintiffs’ allegations
    are in fact true has not been decided in this litigation, and nothing we say
    in this opinion should be understood otherwise.
    4512                       PADILLA v. YOO
    George W. Bush to the Secretary of Defense (June 9, 2002),
    reprinted in Padilla v. Hanft, 
    423 F.3d 386
    , 389 (4th Cir. 2005).2
    In accordance with the President’s order, Padilla was trans-
    ferred from the federal detention facility in New York to a
    military brig in Charleston, South Carolina, where he was
    held in military custody for more than three and a half years,
    from June 2002 until January 2006. Compl. ¶¶ 1, 44. For a
    substantial portion of this period, from June 2002 until March
    2004, government officials denied Padilla all contact with
    persons outside the brig, including his family and legal coun-
    sel. Compl. ¶ 56.
    On January 5, 2006, Padilla was transferred from the mili-
    tary brig to a federal detention center in Miami, Florida,
    where he stood trial in federal district court on criminal
    charges unrelated to the allegations that had been used to jus-
    tify his military detention. Compl. ¶ 11. In August 2007, the
    jury returned a verdict of guilty. 
    Id.
     In September 2011, a
    divided Eleventh Circuit panel affirmed Padilla’s conviction,
    vacated his sentence as unreasonably low and remanded for
    resentencing. See United States v. Jayyousi, 
    657 F.3d 1085
    ,
    1117-19 (11th Cir. 2011).
    Padilla and his mother, Estela Lebron, filed this civil action
    against John Yoo, in his individual capacity, on January 4,
    2008, two years after Padilla’s military detention ended. In
    their first amended complaint, Padilla and Lebron alleged that
    Padilla was imprisoned in the military brig without charge
    and without the ability to defend himself or to challenge his
    conditions of confinement. Compl. ¶ 1. They alleged that dur-
    ing Padilla’s detention, he suffered gross physical and psy-
    chological abuse upon the orders of high-ranking government
    officials as part of a systematic program of abusive interroga-
    2
    The President’s memorandum, which the plaintiffs attached to their
    complaint, is part of the record for purposes of Yoo’s motion to dismiss.
    See Daniels-Hall, 
    629 F.3d at 998
    .
    PADILLA v. YOO                     4513
    tion mirroring the alleged abuses committed at Guatanamo
    Bay, including extreme isolation; interrogation under threat of
    torture, deportation and even death; prolonged sleep adjust-
    ment and sensory deprivation; exposure to extreme tempera-
    tures and noxious odors; denial of access to necessary medical
    and psychiatric care; substantial interference with his ability
    to practice his religion; and incommunicado detention for
    almost two years, without access to family, counsel or the
    courts. 
    Id.
     They also alleged that Lebron was deprived of vir-
    tually all contact with Padilla during his prolonged and alleg-
    edly unlawful military detention, in violation of her
    constitutional rights to familial association and communica-
    tion. Compl. ¶ 2.
    The complaint alleged that Yoo is one of several current
    and former government officials who abused their high posi-
    tions to cause Padilla’s allegedly unlawful military detention
    and interrogation. Compl. ¶ 3. From 2001 to 2003, Yoo was
    Deputy Assistant Attorney General at OLC. Compl. ¶ 13.
    Padilla and Lebron alleged that Yoo set in motion Padilla’s
    allegedly illegal interrogation and detention, both by formu-
    lating unlawful policies for the designation, detention and
    interrogation of suspected “enemy combatants” and by issu-
    ing legal memoranda designed to evade legal restraints on
    those policies and to immunize those who implemented them.
    Compl. ¶ 3. They alleged that, in doing so, Yoo abdicated his
    ethical duties as a government attorney and abandoned his
    office’s tradition of providing objective legal advice to the
    President. 
    Id.
    The complaint alleged that Yoo publicly acknowledged in
    his book, War By Other Means, that he stepped beyond his
    role as a lawyer to participate directly in developing policy in
    the war on terrorism. Compl. ¶ 15. It alleged that Yoo shaped
    government policy in his role as a key member of a small,
    secretive and highly influential group of senior administration
    officials known as the “War Council,” which met regularly
    “to develop policy in the war on terrorism.” 
    Id.
     It alleged that
    4514                   PADILLA v. YOO
    Yoo acted outside the scope of his employment at OLC by
    taking instructions directly from White House Counsel
    Alberto Gonzales and providing Gonzales with verbal and
    written advice without first consulting Attorney General John
    Ashcroft. Compl. ¶ 16. The complaint alleged that, in his role
    as the de facto head of war-on-terrorism legal issues, Yoo
    wrote and promulgated a series of memoranda that ultimately
    led to Padilla’s allegedly unlawful treatment, including:
    • An October 23, 2001 memorandum from Yoo to Gon-
    zales and Department of Defense General Counsel William J.
    Haynes regarding Authority for Use of Military Force to
    Combat Terrorist Activities Within the United States, which
    concluded that “the Fourth Amendment had no application to
    domestic military operations,” and that “restrictions outlined
    in the Fifth Amendment simply do not address actions the
    Executive takes in conducting a military campaign against the
    nation’s enemies.”
    • A December 21, 2001 memorandum from Yoo to Haynes
    regarding Possible Criminal Charges Against American Citi-
    zen Who Was a Member of the Al Qaeda Terrorist Organiza-
    tion or the Taliban Militia.
    • A January 9, 2002 draft memorandum from Yoo to
    Haynes on the Application of Treaties and Laws to al Qaeda
    and Taliban Detainees.
    • A January 22, 2002 memorandum to Gonzales signed by
    then-Assistant Attorney General Jay Bybee but allegedly
    drafted by Yoo on the Application of Treaties and Laws to al
    Qaeda and Taliban Detainees.
    • A February 26, 2002 memorandum to Haynes signed by
    Bybee but allegedly created by Yoo on Potential Legal Con-
    straints Applicable to Interrogations of Persons Captured by
    U.S. Armed Forces in Afghanistan.
    PADILLA v. YOO                     4515
    • A May 2002 OLC memorandum regarding access to
    counsel and legal mail by detainees held at the naval brigs at
    Norfolk and Charleston.
    • A June 27, 2002 memorandum from Yoo to Assistant
    Attorney General Daniel J. Bryant of the Office of Legislative
    Affairs regarding The Applicability of 18 U.S.C. Sec. 4001(a)
    to Military Detention of United States Citizens.
    • An August 1, 2002 memorandum to Gonzales, again
    signed by Bybee but allegedly created by Yoo, on Standards
    of Conduct for Interrogation under 
    18 U.S.C. §§ 2340
    -2340A,
    concluding that an interrogation technique must cause damage
    that rises “to the level of death, organ failure, or the perma-
    nent impairment of a significant body function” in order to be
    considered torture.
    • A second memorandum produced during August 2002
    addressing the legality of particular interrogation techniques
    that the CIA wished to employ.
    • A November 27, 2002 memorandum from Haynes that
    Yoo allegedly reviewed and approved, recommending that
    Secretary of Defense Donald Rumsfeld approve for use by the
    military a range of aggressive interrogation techniques not
    permitted by the military field manual.
    • A March 14, 2003 opinion from Yoo to Haynes on Mili-
    tary Interrogation of Alien Unlawful Combatants Held Out-
    side the United States, extending authority to use harsh
    interrogation techniques against high-level prisoners held at
    Guantanamo Bay and other facilities under Department of
    Defense control, and approving the use of mind-altering drugs
    during interrogations. Compl. ¶¶ 19-20.
    The complaint alleged that these memoranda advised that
    there were no legal constraints on the Executive’s policies
    with respect to the detention and interrogation of suspected
    4516                   PADILLA v. YOO
    terrorists. Compl. ¶ 21. It alleged that the memoranda “did not
    provide the fair and impartial evaluation of the law required
    by OLC tradition and the ethical obligations of an attorney to
    provide the client with an exposition of the law adequate to
    make an informed decision.” Compl. ¶ 22. Rather, it alleged
    that Yoo “intentionally used the Memos to evade well-
    established legal constraints and to justify illegal policy
    choices that he knew had already been made — sometimes by
    virtue of his own participation in the War Council.” Compl.
    ¶ 23.
    The complaint also alleged that Yoo personally participated
    in Padilla’s unlawful military detention. Quoting from Yoo’s
    book, it alleged that Yoo “personally ‘reviewed the material
    on Padilla to determine whether he could qualify, legally, as
    an enemy combatant, and issued an opinion to that effect.’ ”
    Compl. ¶ 38. It alleged that Ashcroft relied on Yoo’s opinion
    in recommending to the President that Padilla be taken into
    military custody. Comp. ¶ 39.
    The complaint alleged that Padilla’s designation as an
    enemy combatant, military detention, conditions of confine-
    ment and program of interrogation violated his rights to pro-
    cedural and substantive due process, not to be subjected to
    cruel or unusual punishment or treatment that shocks the con-
    science, to freely exercise his religion, of access to informa-
    tion, to association with family members and friends, of
    access to legal counsel, of access to the courts, against com-
    pelled self-incrimination and against arbitrary and unconstitu-
    tional seizure and military detention. Compl. ¶ 5. It alleged
    violations of the First, Fourth, Fifth, Sixth and Eighth Amend-
    ments to the United States Constitution, Article III of the
    Constitution, the Habeas Suspension and Treason Clauses of
    the Constitution and the Religious Freedom Restoration Act
    (RFRA), 42 U.S.C. § 2000bb. Compl. ¶ 82.
    The complaint sought two remedies: a declaration that
    Padilla’s treatment violated the Constitution and RFRA, and
    PADILLA v. YOO                            4517
    nominal money damages of one dollar. The plaintiffs subse-
    quently agreed to dismiss their claims for declaratory relief,
    leaving only a claim for nominal damages.
    B.
    Yoo moved to dismiss the action for failure to state a claim
    upon which relief could be granted. See Fed. R. Civ. P.
    12(b)(6). He argued that the complaint failed to state a claim
    for money damages on three grounds. First, he argued that the
    plaintiffs could not state an action for damages because
    Bivens v. Six Unknown Named Agents of Federal Bureau of
    Narcotics, 
    403 U.S. 388
     (1971), which recognized an implied
    cause of action for damages against federal officials under
    some circumstances, did not apply. Second, Yoo argued that
    he was entitled to qualified immunity because the complaint
    failed to allege facts sufficient to establish his personal
    responsibility for the constitutional and statutory violations
    alleged in the complaint. Third, Yoo argued that he was enti-
    tled to qualified immunity because the complaint failed to
    allege a violation of clearly established constitutional or statu-
    tory rights.
    The district court denied Yoo’s motion. See Padilla v. Yoo,
    
    633 F. Supp. 2d 1005
     (N.D. Cal. 2009).3 The court concluded
    that the plaintiffs could pursue a Bivens action, that the com-
    plaint adequately alleged Yoo’s personal responsibility for
    Padilla’s treatment and, as relevant here, that the complaint
    alleged violations of clearly established constitutional and
    statutory rights. See 
    id. at 1030, 1032-34, 1036-39
    .
    3
    The court granted Yoo’s motion to dismiss in one respect, agreeing
    with Yoo that the complaint did not state a claim for violation of Padilla’s
    Fifth Amendment right against self-incrimination because Padilla was
    never made to be a witness against himself and his statements were never
    admitted as testimony against him in a criminal case. See Padilla, 
    633 F. Supp. 2d at 1035-36
    . The plaintiffs did not appeal that ruling. In all
    respects relevant to this appeal, the court denied Yoo’s motion.
    4518                    PADILLA v. YOO
    With respect to this last issue, the district court acknowl-
    edged Yoo’s argument that, at the time of Yoo’s tenure at
    OLC, “no federal court ha[d] afforded an enemy combatant
    the kind of constitutional protections Padilla seeks in this
    case,” and that “courts ha[d] never attributed the level of con-
    stitutional rights sought in this action” to enemy combatants
    — a “unique type of detainee.” 
    Id. at 1036
    . But the court con-
    cluded that the complaint nonetheless alleged violations of
    clearly established law because “the basic facts alleged in the
    complaint clearly violate the rights afforded to citizens held
    in the prison context,” and because all detainees, including
    enemy combatants, must be afforded at least the rights to
    which convicted prisoners are entitled. 
    Id. at 1036-38
     (empha-
    sis added). The court explained:
    [A]lthough the legal framework relating to the desig-
    nation of a citizen as an enemy combatant was
    developing at the time of the conduct alleged in the
    complaint, federal officials were cognizant of the
    basic fundamental civil rights afforded to detainees
    under the United States Constitution. The Court
    finds that the complaint alleges conduct that would
    be unconstitutional if directed at any detainee, and
    therefore finds that the rights allegedly violated were
    clearly established at the time of the alleged conduct.
    
    Id. at 1037-38
     (citations and footnote omitted).
    The court accordingly concluded that Yoo was not entitled
    to qualified immunity and denied Yoo’s motion to dismiss.
    The crux of the district court’s decision for purposes of this
    appeal is its assumption that any reasonable official would
    have understood in 2001-03 that United States citizen enemy
    combatants in military detention must be afforded at least the
    constitutional and statutory rights afforded to ordinary prison
    inmates.
    PADILLA v. YOO                           4519
    C.
    Of relevance, a different federal district court reached a
    contrary result in a related case. In February 2007, Padilla and
    Lebron filed an action similar to this one in the United States
    District Court for the District of South Carolina against for-
    mer Secretary of Defense Rumsfeld, former Attorney General
    Ashcroft, 11 other current or former government officials and
    unnamed Doe defendants, including the individuals allegedly
    responsible for Padilla’s interrogation at the military brig. In
    February 2011, the district court dismissed the South Carolina
    case for failure to state a claim, in part concluding that the
    defendants were entitled to qualified immunity because the
    complaint failed to allege that Padilla’s treatment violated
    clearly established law. See Lebron v. Rumsfeld, 
    764 F. Supp. 2d 787
     (D.S.C. 2011).
    First, the court rejected the proposition that Padilla’s desig-
    nation as an enemy combatant and consequential military
    detention violated his clearly established constitutional rights.
    See 
    id. at 802-03
    . The court noted that President Bush had
    signed the order designating Padilla as an enemy combatant
    in June 2002, and that courts had reached inconsistent conclu-
    sions as to whether Padilla’s designation and detention were
    lawful.4 The court said:
    4
    In 2002, the United States District Court for the Southern District of
    New York ruled on Padilla’s first federal habeas petition, in which Padil-
    la’s counsel, despite having no contact with Padilla, challenged Padilla’s
    designation and detention as an enemy combatant. See Padilla ex rel.
    Newman v. Bush, 
    233 F. Supp. 2d 564
     (S.D.N.Y. 2002). The district court
    concluded that the post-September 11th Authorization for Use of Military
    Force, Pub. L. No. 107-40, 
    115 Stat. 224
     (2001), permitted American citi-
    zens to be detained without charge as enemy combatants, but that Padilla
    had a right both to counsel and to a judicial forum in which to challenge
    the factual basis of his detention. See Padilla, 
    233 F. Supp. 2d at 569-70
    .
    The Second Circuit reversed on the first point, holding that only a clear
    congressional statement could authorize the detention of an American citi-
    zen without charge. See Padilla v. Rumsfeld, 
    352 F.3d 695
    , 698 (2d Cir.
    4520                         PADILLA v. YOO
    In light of this quite extraordinary litigation history,
    the remarkable circumstances regarding the Presi-
    dent’s direct written order designating Padilla an
    enemy combatant, and the President’s direction to
    subordinate officials to detain Padilla, it is hard for
    the Court to imagine a credible argument that the
    alleged unlawfulness of Padilla’s designation as an
    enemy combatant and detention were “clearly estab-
    lished” at that time. The strikingly varying judicial
    decisions appear to be the very definition of unset-
    tled law, and the Fourth Circuit’s order, which is the
    law of the case, actually finds the detention and des-
    ignation lawful.
    Id.
    2003). In June 2004, the Supreme Court reversed the Second Circuit on
    a jurisdictional ground, ruling that Padilla’s habeas petition should have
    been filed in South Carolina, where he was detained, rather than New
    York, where he had been seized. See Rumsfeld v. Padilla, 
    542 U.S. 426
    ,
    451 (2004).
    Padilla then filed his habeas petition in South Carolina. There, the U.S.
    District Court for the District of South Carolina granted the petition, ruling
    that Padilla’s detention violated the Constitution and laws of the United
    States and that he therefore had to be either criminally charged or released.
    See Padilla v. Hanft, 
    389 F. Supp. 2d 678
    , 692 (D.S.C. 2005). The Fourth
    Circuit reversed, holding that the government could detain citizens without
    charge, even if seized within the United States, if they have carried arms
    against the U.S. in a foreign combat zone, as Padilla allegedly did. See
    Padilla v. Hanft, 
    423 F.3d 386
    , 389-92 (4th Cir. 2005). After Padilla peti-
    tioned for certiorari, and shortly before the government’s response was
    due, the government transferred him to civilian custody and initiated crim-
    inal proceedings against him in the United States District Court for the
    Southern District of Florida, arguably mooting the petition. See Padilla v.
    Hanft, 
    432 F.3d 582
    , 584, 587 (4th Cir. 2005) (order) (denying govern-
    ment’s request for transfer); Hanft v. Padilla, 
    546 U.S. 1084
    , 1084-85
    (2006) (granting the request). The Supreme Court thereafter denied certio-
    rari, without reaching the merits of Padilla’s South Carolina habeas peti-
    tion. See Padilla v. Hanft, 
    547 U.S. 1062
     (2006).
    PADILLA v. YOO                        4521
    Second, the court concluded that the manner in which
    Padilla was treated while detained as an enemy combatant,
    which included the alleged use of coercive interrogation tech-
    niques, likewise did not constitute a violation of clearly estab-
    lished constitutional law. See id. at 803-04. The court
    reasoned that:
    At the time of . . . Padilla’s detention by the Depart-
    ment of Defense, there were few “bright lines”
    establishing controlling law on the rights of enemy
    combatants. No court had specifically and defini-
    tively addressed the rights of enemy combatants, and
    the Department of Justice had officially sanctioned
    the use of the techniques in question. While it is true
    there was vigorous intra-governmental debate on this
    issue during Padilla’s detention, the qualified immu-
    nity case law makes clear that government officials
    are not charged with predicting the outcome of legal
    challenges or to resolve open questions of law.
    Id. (citation omitted) (quoting Maciariello v. Sumner, 
    973 F.2d 295
    , 298 (4th Cir. 1992)).
    Finally, the court concluded that Padilla’s treatment while
    detained did not violate clearly established rights under
    RFRA. See id. at 804-05. The court pointed out that “[n]o
    American court during this period had ever definitively
    addressed the potential applicability of the RFRA to persons
    who were undergoing interrogation as enemy combatants.” Id.
    at 804. The court accordingly held that the defendants were
    entitled to qualified immunity on the plaintiffs’ RFRA claim
    as well. See id. at 805.
    In January 2012, the Fourth Circuit affirmed dismissal of
    the South Carolina action. See Lebron v. Rumsfeld, 
    670 F.3d 540
     (4th Cir. 2012). The court affirmed dismissal of the plain-
    tiffs’ constitutional claims for lack of a Bivens remedy. As
    relevant here, the court also affirmed dismissal of the plain-
    4522                    PADILLA v. YOO
    tiffs’ RFRA claims on the basis of qualified immunity, hold-
    ing that RFRA’s application “to the military detention setting”
    was not clearly established at the time of the alleged viola-
    tions. Id. at 560. The court “emphasized the substantial differ-
    ences between individuals in civilian custody and individuals
    in military custody.” Id. at 558.
    We asked the parties to file supplemental briefs addressing
    the Fourth Circuit’s decision and, in particular, whether we
    should give preclusive effect to the Fourth Circuit’s decision
    under the doctrine of nonmutual defensive collateral estoppel.
    The parties disagree about whether collateral estoppel should
    apply. In view of our precedent, we choose to treat the Fourth
    Circuit’s decision as persuasive precedent rather than afford-
    ing it preclusive effect. See Af-Cap, Inc. v. Chevron Overseas
    (Congo) Ltd., 
    475 F.3d 1080
    , 1086 (9th Cir. 2007). We none-
    theless reach the same outcome as the Fourth Circuit,
    although based on somewhat different reasoning. Whereas the
    Fourth Circuit resolved the plaintiffs’ constitutional claims
    under Bivens and relied on qualified immunity to resolve only
    the plaintiffs’ RFRA claim, we resolve all claims under quali-
    fied immunity.
    D.
    Yoo timely appealed the district court’s order in this case
    denying his motion to dismiss. We have jurisdiction under 
    28 U.S.C. § 1291
    , see Ashcroft v. Iqbal, 
    129 S. Ct. 1937
    , 1945-46
    (2009), and we review de novo a district court’s denial of a
    motion to dismiss on the basis of qualified immunity, see
    Dunn v. Castro, 
    621 F.3d 1196
    , 1198 (9th Cir. 2010). “We
    accept as true all well-pleaded allegations of material fact, and
    construe them in the light most favorable to the non-moving
    party.” Daniels-Hall v. Nat’l Educ. Ass’n, 
    629 F.3d 992
    , 998
    (9th Cir. 2010). “A complaint may survive a motion to dis-
    miss if, taking all well-pleaded factual allegations as true, it
    contains ‘enough facts to state a claim to relief that is plausi-
    ble on its face.’ ” Coto Settlement v. Eisenberg, 593 F.3d
    PADILLA v. YOO                     4523
    1031, 1034 (9th Cir. 2010) (quoting Iqbal, 
    129 S. Ct. at 1949
    ).
    II.   DISCUSSION
    A.
    The outcome of this appeal is governed by the Supreme
    Court’s decision in Ashcroft v. al-Kidd, 
    131 S. Ct. 2074
    (2011), decided subsequent to the district court’s ruling
    against Yoo. In al-Kidd, the plaintiff filed a Bivens action
    against then-Attorney General Ashcroft, alleging that Ash-
    croft violated al-Kidd’s Fourth Amendment rights by autho-
    rizing federal prosecutors to obtain valid material witness
    warrants for detention of terrorism suspects whom they would
    otherwise lack probable cause to arrest. The complaint alleged
    that, “in the aftermath of the September 11th terrorist attacks,
    . . . Ashcroft authorized federal prosecutors and law enforce-
    ment officials to use the material-witness statute to detain
    individuals with suspected ties to terrorist organizations.” 
    Id. at 2079
    . It alleged “that federal officials had no intention of
    calling most of these individuals as witnesses, and that they
    were detained, at Ashcroft’s direction, because federal offi-
    cials suspected them of supporting terrorism but lacked suffi-
    cient evidence to charge them with a crime.” 
    Id.
     The
    complaint alleged that “this pretextual detention policy led to
    the material-witness arrest of [Abdullah] al-Kidd, a native-
    born United States citizen,” leading al-Kidd to file a Bivens
    action challenging the constitutionality of Ashcroft’s alleged
    policy as a violation of the Fourth Amendment’s prohibition
    against unreasonable searches and seizures. 
    Id. at 2079-80
    .
    Al-Kidd conceded that individualized suspicion supported
    issuance of the material witness arrest warrant, but argued that
    the arrest was unconstitutional because of Ashcroft’s alleged
    subjective intent to use the material witness statute as a pre-
    text to detain terrorism suspects who officials never intended
    to have testify. See 
    id. at 2083
    . Ashcroft moved to dismiss
    based on absolute and qualified immunity. See 
    id. at 2079
    .
    4524                     PADILLA v. YOO
    The district court denied the motion and this court affirmed.
    See 
    id. at 2079-80
    . The Supreme Court reversed.
    [1] The Court began by reaffirming the general principle
    that “[q]ualified immunity shields federal and state officials
    from money damages unless a plaintiff pleads facts showing
    (1) that the official violated a statutory or constitutional right,
    and (2) that the right was ‘clearly established’ at the time of
    the challenged conduct.” 
    Id. at 2080
     (quoting Harlow v. Fitz-
    gerald, 
    457 U.S. 800
    , 818 (1982)). Significant here, under the
    second prong, a “Government official’s conduct violates
    clearly established law when, at the time of the challenged
    conduct, ‘[t]he contours of [a] right [are] sufficiently clear’
    that every ‘reasonable official would have understood that
    what he is doing violates that right.’ ” Id. at 2083 (alterations
    in original) (quoting Anderson v. Creighton, 
    483 U.S. 635
    ,
    640 (1987)). “We do not require a case directly on point, but
    existing precedent must have placed the statutory or constitu-
    tional question beyond debate.” 
    Id.
     The Court emphasized
    that “[q]ualified immunity gives government officials breath-
    ing room to make reasonable but mistaken judgments about
    open legal questions,” id. at 2085, and admonished us “not to
    define clearly established law at a high level of generality,”
    id. at 2084.
    Applying these principles, the Court concluded that al-
    Kidd’s complaint fell “far short” of alleging a violation of
    clearly established law. Id. at 2083. The Court observed that,
    “[a]t the time of al-Kidd’s arrest, not a single judicial opinion
    had held that pretext could render an objectively reasonable
    arrest pursuant to a material-witness warrant unconstitution-
    al.” Id. Furthermore, the Court’s decisions as a whole had
    emphasized that Fourth Amendment reasonableness is “pre-
    dominantly an objective inquiry,” id. at 2080 (quoting City of
    Indianapolis v. Edmond, 
    531 U.S. 32
    , 47 (2000)) (internal
    quotation marks omitted), asking “whether ‘the circum-
    stances, viewed objectively, justify [the challenged] action,’ ”
    
    id.
     (alteration in original) (quoting Scott v. United States, 436
    PADILLA v. YOO                      
    4525 U.S. 128
    , 138 (1978)), “ ‘whatever the subjective intent’
    motivating the relevant officials,” 
    id.
     (quoting Whren v.
    United States, 
    517 U.S. 806
    , 814 (1996)). Although the Court
    had recognized certain “limited exception[s]” to this rule, id.
    at 2080 (alteration in original) (quoting United States v.
    Knights, 
    534 U.S. 112
    , 122 (2001)) (internal quotation marks
    omitted), it had “almost uniformly rejected invitations to
    probe subjective intent,” id. at 2081. The Court accordingly
    held that Ashcroft did not violate clearly established law by
    allegedly authorizing federal prosecutors to use material wit-
    ness arrest warrants, supported objectively by reasonable sus-
    picion, as a pretext for detaining terrorism suspects. See id. at
    2085.
    Here, the complaint alleged that Yoo, as a Justice Depart-
    ment attorney, participated in policy decisions and rendered
    legal opinions that ultimately authorized federal officials to
    designate Padilla as an enemy combatant, take him into mili-
    tary custody, hold him incommunicado without access to the
    courts or counsel and subject him to both coercive interroga-
    tion techniques and harsh conditions of confinement, in viola-
    tion of his constitutional and statutory rights.
    [2] Padilla and Lebron acknowledge that at the time Yoo
    served as Deputy Assistant Attorney General at OLC, there
    did not exist a “single judicial opinion,” id. at 2083, holding
    that a United States citizen held in military detention as an
    enemy combatant possessed rights against the kind of treat-
    ment to which Padilla was subjected. They argue, however,
    that it was clearly established that Padilla possessed such
    rights because any reasonable official would have understood
    during 2001 to 2003 that a citizen detained as an enemy com-
    batant had to be afforded at least the constitutional protections
    to which convicted prisoners and ordinary criminal suspects
    were entitled. That argument is foreclosed by al-Kidd, which
    compels us “not to define clearly established law at a high
    level of generality.” Id. at 2084.
    4526                    PADILLA v. YOO
    Granted, it may sometimes be permissible to rely on cases
    involving one type of detainee to establish clearly established
    constitutional rights of another type of detainee. See City of
    Revere v. Mass. Gen. Hosp., 
    463 U.S. 239
    , 244-46 (1983)
    (holding that pretrial detainees possess a constitutional right
    against deliberate indifference to their serious medical needs
    because the due process rights of a pretrial detainee are “at
    least as great as the Eighth Amendment protections available
    to a convicted prisoner”); Youngberg v. Romeo, 
    457 U.S. 307
    ,
    315-16, 321-22 (1982) (holding that mentally retarded indi-
    viduals who are involuntarily committed to a state institution
    have a constitutional right to reasonably safe conditions of
    confinement under the due process clause of the Fourteenth
    Amendment because “[p]ersons who have been involuntarily
    committed are entitled to more considerate treatment and con-
    ditions of confinement than criminals whose conditions of
    confinement are designed to punish”); Hydrick v. Hunter, 
    500 F.3d 978
    , 989 (9th Cir. 2007) (holding that “the rights
    afforded prisoners set a floor for those that must be afforded”
    sexually violent predators subject to civil detention), vacated
    and remanded on other grounds, 
    129 S. Ct. 2431
     (2009); Or.
    Advocacy Ctr. v. Mink, 
    322 F.3d 1101
    , 1120 (9th Cir. 2003)
    (holding, in light of the Supreme Court’s “observation that the
    due process rights of pretrial detainees are ‘at least as great as
    the Eighth Amendment protections available to a convicted
    prisoner,’ ” that the Eighth Amendment provides “a minimum
    standard of care” for determining the rights of pretrial detain-
    ees (quoting Revere, 
    463 U.S. at 244
    )). In Hydrick, for exam-
    ple, we held that court decisions defining the constitutional
    rights of prisoners could be relied upon to establish a floor for
    the clearly established constitutional rights of persons who are
    civilly detained as sexually violent predators, for whom the
    law was at that time “still evolving.” 
    500 F.3d at 989
    . Central
    to our holding, however, was the Supreme Court’s earlier
    statement that “civilly detained persons must be afforded
    ‘more considerate treatment and conditions of confinement
    than criminals whose conditions of confinement are designed
    to punish.’ ” 
    Id.
     (quoting Youngberg, 
    457 U.S. at 322
    ).
    PADILLA v. YOO                     4527
    [3] Here, of course, the Supreme Court had not, at the time
    of Yoo’s tenure at OLC, declared that American citizens
    detained as enemy combatants had to be treated at least as
    well, or afforded at least the same constitutional and statutory
    protections, as convicted prisoners. On the contrary, the
    Supreme Court had suggested in Ex parte Quirin, 
    317 U.S. 1
    (1942), the most germane precedent in existence at the time
    of Yoo’s tenure at OLC, that a citizen detained as an unlawful
    combatant could be afforded lesser rights than ordinary pris-
    oners or individuals in ordinary criminal proceedings.
    In Quirin, the Court unanimously rejected the claim of a
    United States citizen who was detained as an unlawful enemy
    combatant that he was “entitled to be tried in the civil courts
    with the safeguards, including trial by jury, which the Fifth
    and Sixth Amendments guarantee to all persons charged in
    such courts with criminal offenses.” 
    Id. at 24
    . The petitioner
    in question — Herbert Haupt — was a German agent who
    claimed to be an American citizen. See 
    id. at 20-22
    . He had
    entered the United States to commit acts of sabotage in sup-
    port of the German war effort. See 
    id. at 21-22
    . He was cap-
    tured on American soil, charged by the Judge Advocate
    General’s Department of the Army with violations of the law
    of war and the Articles of War and tried by a military com-
    mission. See 
    id. at 21-23
    . He argued in a habeas corpus peti-
    tion that he was entitled under Article III and the Fifth and
    Sixth Amendments to the Constitution to grand jury present-
    ment and trial by jury. See 
    id. at 38
    . The Court rejected his
    claim, reasoning that unlawful belligerents had been subject
    to military trial at the time of the Constitution’s adoption and
    that neither Article III nor the Bill of Rights had been
    intended to alter that practice. See 
    id. at 39-44
    . That Haupt
    was a citizen was immaterial; as an unlawful combatant he
    was subject to trial by military tribunal alongside the alien
    saboteurs with whom he was tried. See 
    id. at 37-38, 44-45
    .
    Padilla and Lebron alternatively rely on the Supreme
    Court’s decision in Hamdi v. Rumsfeld, 
    542 U.S. 507
     (2004),
    4528                        PADILLA v. YOO
    to establish that Padilla’s treatment violated clearly estab-
    lished law. In Hamdi, the Court held that a citizen detained as
    an enemy combatant retains a fundamental “right to be free
    from involuntary confinement by his own government with-
    out due process of law.” 
    Id. at 531
     (plurality opinion). The
    Court held that “a citizen-detainee seeking to challenge his
    classification as an enemy combatant must receive notice of
    the factual basis for his classification, and a fair opportunity
    to rebut the Government’s factual assertions before a neutral
    decisionmaker.” 
    Id. at 533
    . The Court also held that a citizen-
    detainee “unquestionably has the right to access to counsel in
    connection” with those proceedings. 
    Id. at 539
    . Hamdi also
    intimated that detention of enemy combatants for an interrog-
    ative purpose may be impermissible, noting that the proper
    purpose of detaining enemy combatants “is to prevent cap-
    tured individuals from returning to the field of battle and tak-
    ing up arms once again,” 
    id.
     at 518 (citing Yasmin Naqvi,
    Doubtful Prisoner-of-War Status, 84 Int’l Rev. Red Cross
    571, 572 (2002)), and adding that “indefinite detention for the
    purpose of interrogation” was not permitted by the act of Con-
    gress authorizing the use of military force in Afghanistan, the
    Authorization for Use of Military Force, Pub. L. No. 107-40,
    
    115 Stat. 224
     (2001), 
    id. at 521
    ; see also id. at 577-78 (Scalia,
    J., dissenting) (suggesting that Congress would need to sus-
    pend the Writ of Habeas Corpus before the government could
    detain a United States citizen on American soil for the pur-
    pose of “obtain[ing] intelligence through interrogation”).5
    Hamdi also called into question the harsh treatment of enemy
    combatant detainees, suggesting that the detention of enemy
    combatants should be “devoid of all penal character,” id. at
    518 (quoting W. Winthrop, Military Law and Precedents 788
    (rev. 2d ed. 1920)) (internal quotation marks omitted), and
    5
    But see Hamdi, 
    542 U.S. at 595
     (Thomas, J., dissenting) (concluding
    that the government has an interest in “detaining an enemy soldier not
    only to prevent him from rejoining the ongoing fight” but also “to gather
    critical intelligence regarding the intentions and capabilities of our adver-
    saries”).
    PADILLA v. YOO                             4529
    that enemy combatants should be “treated humanely” while
    they are detained, 
    id. at 519
     (quoting In re Territo, 
    156 F.2d 142
    , 145 (9th Cir. 1946)) (internal quotation marks omitted).6
    When measured against this language in Hamdi, Padilla’s
    alleged cruel and degrading treatment appears to have been a
    violation of his constitutional rights.
    Hamdi, however, was not decided until 2004, so it could
    not have placed Yoo on clear notice of Padilla’s constitutional
    rights in 2001-03 when Yoo was at the Department of Justice.
    Even after Hamdi, moreover, it remains murky whether an
    enemy combatant detainee may be subjected to conditions of
    confinement and methods of interrogation that would be
    unconstitutional if applied in the ordinary prison and criminal
    settings. Although Hamdi recognized that citizens detained as
    enemy combatants retain constitutional rights to due process,
    the Court suggested that those rights may not be coextensive
    with those enjoyed by other kinds of detainees. On the con-
    trary, the Court held that the rights afforded to an enemy com-
    batant detainee “may be tailored” to the circumstances, id. at
    533, because “the full protections that accompany challenges
    to detentions in other settings may prove unworkable and
    inappropriate in the enemy-combatant setting,” id. at 535.7
    6
    In describing these standards, Hamdi made no express distinction
    between “[t]he capture and detention of lawful combatants and the cap-
    ture, detention, and trial of unlawful combatants.” Hamdi, 
    542 U.S. at 518
    (emphasis added).
    7
    This statement in Hamdi referred to detainees’ procedural rights, not
    their substantive rights, and we do not read the statement as either suggest-
    ing or foreclosing the possibility that citizens detained as enemy comba-
    tants have lesser substantive constitutional rights than other types of
    detainees. Cf. Vance v. Rumsfeld, 
    653 F.3d 591
    , 610-11 (7th Cir. 2011)
    (observing that Hamdi addressed a question of procedural due process
    rather than substantive due process), reh’g en banc granted and opinion
    vacated (Oct. 28, 2011). We do observe, however, that the Supreme Court
    has in other contexts suggested the possibility that substantive rights too
    may vary according to the circumstances of the detention at issue. See
    Youngberg, 
    457 U.S. at 321-22
     (“Persons who have been involuntarily
    4530                        PADILLA v. YOO
    [4] In sum, the plaintiffs did not, through their reliance on
    either Hamdi or cases involving ordinary prison and criminal
    settings, allege violations of constitutional and statutory rights
    that were clearly established in 2001-03. During that relevant
    time frame, the constitutional rights of convicted prisoners
    and persons subject to ordinary criminal process were, in
    many respects, clearly established. But Padilla was not a con-
    victed prisoner or criminal defendant; he was a suspected ter-
    rorist designated an enemy combatant and confined to
    military detention by order of the President. He was detained
    as such because, in the opinion of the President — albeit
    allegedly informed by his subordinates, including Yoo —
    Padilla presented a grave danger to national security and pos-
    sessed valuable intelligence information that, if communi-
    cated to the United States, could have been helpful to the
    United States in staving off further terrorist attacks. We
    express no opinion as to whether those allegations were true,
    or whether, even if true, they justified the extreme conditions
    of confinement to which Padilla says he was subjected. Cf.
    Rumsfeld v. Padilla, 
    542 U.S. 426
    , 465 (2004) (Stevens, J.,
    dissenting) (describing “[i]ncommunicado detention for
    months on end” as an “unlawful procedure[ ] to extract infor-
    mation”). In light of Padilla’s status as a designated enemy
    combatant, however, we cannot agree with the plaintiffs that
    he was just another detainee — or that it would necessarily
    have been “apparent” to someone in Yoo’s position that
    Padilla was entitled to the same constitutional protections as
    an ordinary convicted prisoner or accused criminal. Anderson,
    
    483 U.S. at 640
    . Given the unique circumstances and pur-
    poses of Padilla’s detention, and in light of Quirin, an official
    could have had some reason to believe that Padilla’s harsh
    committed are entitled to more considerate treatment and conditions of
    confinement than criminals whose conditions of confinement are designed
    to punish.” (emphasis added)). For our purposes it is sufficient to say that
    it was not clearly established in 2002 that United States citizens detained
    as enemy combatants possessed the same substantive due process rights as
    other types of detainees.
    PADILLA v. YOO                             4531
    treatment fell within constitutional bounds.8 Even after
    Hamdi, the degree to which citizens detained as enemy com-
    batants must be afforded the constitutional protections granted
    other detainees remains unsettled, because “the full protec-
    tions that accompany challenges to detentions in other settings
    may prove unworkable and inappropriate in the enemy-
    combatant setting.” Hamdi, 
    542 U.S. at 535
    . The same is true
    of Padilla’s RFRA claim. As the Fourth Circuit held, the
    application of RFRA to enemy combatants in military deten-
    tion was not clearly established in 2001-03. See Lebron, 670
    F.3d at 556-60.
    B.
    The absence of a decision defining the constitutional and
    statutory rights of citizens detained as enemy combatants need
    not be fatal to the plaintiffs’ claims. The Supreme Court has
    long held that “officials can still be on notice that their con-
    8
    Whereas convicted prisoners are detained for purposes of “retribution,
    deterrence, incapacitation, and rehabilitation,” Graham v. Florida, 
    130 S. Ct. 2011
    , 2028 (2010), the President ordered Padilla detained to “pre-
    vent him from aiding al Qaeda in its efforts to attack the United States,”
    and as a source of “intelligence about personnel and activities of al
    Qaeda[ ] that, if communicated to the U.S., would aid U.S. efforts to pre-
    vent attacks by al Qaeda on the United States.” Memorandum from Presi-
    dent George W. Bush to the Secretary of Defense (June 9, 2002). In the
    absence of clear guidance from the courts, a reasonable official could have
    had some reason to believe that these circumstances justified affording an
    enemy combatant lesser constitutional and statutory protections than ordi-
    nary convicted prisoners. Some courts have been sympathetic to such
    rationales. See Padilla v. Hanft, 
    423 F.3d 386
    , 395 (4th Cir. 2005) (noting
    that military detention might be necessary to serve a governmental interest
    in restricting a detainee’s “communication with confederates so as to
    ensure that the detainee does not pose a continuing threat to national
    security even as he is confined”); Lebron v. Rumsfeld, 
    764 F. Supp. 2d 787
    , 805 (D.S.C. 2011) (observing that burdens on a detainee’s religious
    observation might have served “the arguably compelling state interest in
    obtaining control over a critical subject during his interrogation . . . [or]
    the governmental interest in sustained interrogation over multiple hours to
    obtain the critical information sought”).
    4532                        PADILLA v. YOO
    duct violates established law even in novel factual circum-
    stances.” Hope v. Pelzer, 
    536 U.S. 730
    , 741 (2002); see also
    United States v. Lanier, 
    520 U.S. 259
    , 271 (1997) (“There has
    never been . . . a section 1983 case accusing welfare officials
    of selling foster children into slavery; it does not follow that
    if such a case arose, the officials would be immune from dam-
    ages [or criminal] liability.” (alteration in original) (quoting
    United States v. Lanier, 
    73 F.3d 1380
    , 1410 (6th Cir. 1996)
    (Daughtrey, J., dissenting)) (internal quotation marks omit-
    ted)).
    [5] The plaintiffs invoke this principle here. They argue
    that, even if there is no specific judicial decision holding that
    the Fifth Amendment’s prohibition on government conduct
    that “shocks the conscience” is violated when the government
    tortures a United States citizen designated as an enemy com-
    batant, torture of a United States citizen is the kind of egre-
    gious constitutional violation for which a decision “directly
    on point” is not required. Al-Kidd, 
    131 S. Ct. at 2083
    .9 We
    agree with the plaintiffs that the unconstitutionality of tortur-
    ing a United States citizen was “beyond debate” by 2001. Id.10
    (Text continued on page 4534)
    9
    That substantive due process under the Fifth Amendment prohibits the
    government from engaging in conduct that “shocks the conscience” has
    long been clearly established. See Cnty. of Sacramento v. Lewis, 
    523 U.S. 833
    , 846-47 (1998) (collecting cases). What has not been clearly estab-
    lished is how that standard applies to citizens detained as enemy comba-
    tants.
    10
    As the State Department reported in February 2000:
    6. Torture is prohibited by law throughout the United States.
    It is categorically denounced as a matter of policy and as a tool
    of state authority. Every act constituting torture under the Con-
    vention [against Torture and Other Cruel, Inhuman or Degrading
    Treatment or Punishment] constitutes a criminal offence under
    the law of the United States. No official of the Government, fed-
    eral, state or local, civilian or military, is authorized to commit
    or to instruct anyone else to commit torture. Nor may any official
    condone or tolerate torture in any form. No exceptional circum-
    stances may be invoked as a justification of torture. United States
    PADILLA v. YOO                             4533
    law contains no provision permitting otherwise prohibited acts of
    torture or other cruel, inhuman or degrading treatment or pun-
    ishment to be employed on grounds of exigent circumstances (for
    example, during a “state of public emergency”) or on orders from
    a superior officer or public authority, and the protective mecha-
    nisms of an independent judiciary are not subject to suspension.
    The United States is committed to the full and effective imple-
    mentation of its obligations under the Convention throughout its
    territory. . . .
    49. Torture has always been proscribed by the Eighth
    Amendment to the United States Constitution, which prohibits
    “cruel and unusual punishments”. . . . [T]he protections of the
    right to life and liberty, personal freedom and physical integrity
    found in the Fourth, Fifth and Eighth Amendments to the United
    States Constitution provide a nationwide standard of treatment
    beneath which no governmental entity may fall. The constitu-
    tional nature of this protection means that it applies to the actions
    of officials throughout the United States at all levels of govern-
    ment; all individuals enjoy protection under the Constitution,
    regardless of nationality or citizenship. . .
    112. Because the Eighth Amendment by its terms applies to
    “punishments”, courts have looked to other constitutional provi-
    sions, in particular the Fourth Amendment’s protections against
    unreasonable searches and seizures and the due process require-
    ments of the Fifth and Fourteenth Amendments, to preclude the
    abuse or ill-treatment of individuals in other custodial circum-
    stances. These constitutional protections are applicable and
    enforced at all levels of government.
    Initial Report of the United States of America to the United Nations Com-
    mittee Against Torture ¶¶ 6, 49, 112, U.N. Doc. CAT/C/28/Add.5 (Feb.
    9, 2000) (emphasis added), available at http://www.state.gov/documents/
    organization/100296.pdf (an initial report of the United States’ compliance
    with the Convention Against Torture); see also Ali v. Rumsfeld, 
    649 F.3d 762
    , 781-82 (D.C. Cir. 2011) (Edwards, J., dissenting in part) (cataloguing
    United States prohibitions on torture from the nineteenth century through
    the present day); Arar v. Ashcroft, 
    585 F.3d 559
    , 598 (2d Cir. 2009) (en
    banc) (Sack, J., dissenting) (“Although the ‘shocks the conscience’ test is
    undeniably ‘vague,’ ‘[n]o one doubts that under Supreme Court precedent,
    interrogation by torture’ meets that test” (alteration in original) (citations
    omitted) (quoting Harbury v. Deutch, 
    233 F.3d 596
    , 602 (D.C. Cir. 2000),
    4534                         PADILLA v. YOO
    Yoo is entitled to qualified immunity, however, because it
    was not clearly established in 2001-03 that the treatment to
    which Padilla says he was subjected amounted to torture.
    [6] In 2001-03, there was general agreement that torture
    meant the intentional infliction of severe pain or suffering,
    whether physical or mental.11 The meaning of “severe pain or
    rev’d on other grounds sub nom Christopher v. Harbury, 
    536 U.S. 403
    (2002))); cf. Vance, 
    653 F.3d at 606
     (“On what conceivable basis could
    a U.S. public official possibly conclude that it was constitutional to torture
    U.S. citizens?”), reh’g en banc granted and opinion vacated (Oct. 28,
    2011).
    11
    The Convention Against Torture and Other Cruel, Inhuman or
    Degrading Treatment or Punishment, which the United States signed in
    1988 and ratified in 1990, defines torture as:[A]ny act by which severe
    pain or suffering, whether physical or mental, is intentionally inflicted on
    a person for such purposes as obtaining from him or a third person infor-
    mation or a confession, punishing him for an act he or a third person has
    committed or is suspected of having committed, or intimidating or coerc-
    ing him or a third person, or for any reason based on discrimination of any
    kind, when such pain or suffering is 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. It does not include pain or suffering arising only
    from, inherent in or incidental to lawful sanctions.
    Convention Against Torture and Other Cruel, Inhuman or Degrading
    Treatment or Punishment, art. 1(1), Dec. 10, 1984, S. Treaty Doc. No.
    100-20, 1465 U.N.T.S. 85, 23 I.L.M. 1027 (emphasis added). Similarly,
    the federal statute criminalizing torture that occurs abroad, 18 U.S.C.
    § 2340A, defines torture as “an act committed by a person acting under the
    color of law specifically intended to inflict severe physical or mental pain
    or suffering (other than pain or suffering incidental to lawful sanctions)
    upon another person within his custody or physical control.” Id. § 2340(1)
    (emphasis added). Section 2340 further defines “severe mental pain or suf-
    fering” as
    the prolonged mental harm caused by or resulting from — (A)
    the intentional infliction or threatened infliction of severe physi-
    cal pain or suffering; (B) the administration or application, or
    threatened administration or application, of mind-altering sub-
    stances or other procedures calculated to disrupt profoundly the
    PADILLA v. YOO                            4535
    suffering,” however, was less clear in 2001-03. See, e.g.,
    Michael W. Lewis, A Dark Descent into Reality: Making the
    Case for an Objective Definition of Torture, 
    67 Wash. & Lee L. Rev. 77
    , 82-83 (2010); Judith Resnik, Detention, the War
    on Terror, and the Federal Courts, 
    110 Colum. L. Rev. 579
    ,
    633-34 (2010); Sanford Levinson, In Quest of a “Common
    Conscience”: Reflections on the Current Debate About Tor-
    ture, 1 J. Nat’l Security L. & Pol’y 231, 231-52 (2005).
    In several influential judicial decisions in existence at the
    time of Yoo’s tenure at OLC, for example, courts had
    declined to define certain severe interrogation techniques as
    torture:
    Ireland v. United Kingdom, 25 Eur. Ct. H.R. (ser. A)
    (1978), is the European Court of Human Rights’ leading deci-
    sion on torture. The court considered whether five interroga-
    tion techniques used by the United Kingdom to interrogate
    suspected members of the Irish Republican Army violated
    Article 3 of the European Convention of Human Rights,
    which prohibits both torture and “inhuman or degrading treat-
    ment or punishment.” The five techniques at issue were wall
    standing (i.e., stress positions), hooding, subjection to noise,
    sleep deprivation and deprivation of food and drink. See id. at
    59.12 Because the case was decided before ratification of the
    senses or the personality; (C) the threat of imminent death; or (D)
    the threat that another person will imminently be subjected to
    death, severe physical pain or suffering, or the administration or
    application of mind-altering substances or other procedures cal-
    culated to disrupt profoundly the senses or personality.
    Id. § 2340(2) (emphasis added). The Torture Victim Protection Act
    (TVPA), Pub. L. No. 102-256, § 3(b), 
    106 Stat. 73
     (1991), 
    28 U.S.C. § 1350
     note, which provides a civil tort remedy for victims of torture,
    employs a similar definition of torture.
    12
    The court described wall-standing as a “stress position” in which
    detainees were forced to stand spread-eagled against a wall with their feet
    4536                         PADILLA v. YOO
    Convention Against Torture, the court turned to a definition
    provided by United Nations General Assembly Resolution
    3452, which described torture as “an aggravated and deliber-
    ate form of cruel, inhuman or degrading treatment or punish-
    ment.” The court concluded that “[a]lthough the five
    techniques, as applied in combination, undoubtedly amounted
    to inhuman and degrading treatment,” in violation of Article
    3, “they did not occasion suffering of the particular intensity
    and cruelty implied by the word torture as so understood.” Id.
    at 80.
    In HCJ 5100/94 Public Committee Against Torture in
    Israel v. Israel 53(4) PD 817 [1999] (Isr.), reprinted in 38
    I.L.M. 1471, the Israeli Supreme Court considered whether
    coercive techniques used by Israeli security forces violated
    international law. The techniques included hooding, violent
    shaking, painful stress positions, exposure to loud music and
    sleep deprivation.13 The court concluded that each of these
    back away from the wall, causing all of their weight to be borne by the
    fingers and toes. Hooding was the practice of keeping detainees’ heads
    and faces covered by an opaque hood whenever they were not being inter-
    rogated. Subjection to noise involved keeping detainees in a room in
    which there was a continuous loud hissing noise. The court described
    deprivation of food and drink as keeping the detainees on a “reduced diet”
    during their stay at the interrogation centers (which lasted for several days
    but seldom exceeded one week).
    13
    The court defined “shaking,” considered the harshest of the challenged
    interrogation techniques, “as the forceful shaking of the suspect’s upper
    torso, back and forth, repeatedly, in a manner which causes the neck and
    head to dangle and vacillate rapidly.” Id. at 1474. Evidence was submitted
    that “the shaking method is likely to cause serious brain damage, harm the
    spinal cord, cause the suspect to lose consciousness, vomit and urinate
    uncontrollably and suffer serious headaches.” Id. The stress positions
    used, including the “Shabach” position and the “Frog Crouch,” were
    alleged to cause “serious muscle pain in the arms, the neck and head-
    aches.” Id. at 1475. The court also considered allegations of excessively
    tight hand or leg cuffs, which allegedly “result[ ] in serious injuries to the
    suspect’s hands, arms and feet.” Id. Sleep deprivation was also alleged.
    PADILLA v. YOO                             4537
    techniques was illegal, see id. at 1482-85, although the court
    did not address whether they constituted torture rather than
    cruel, inhuman and degrading treatment, which was also pro-
    hibited by international law.
    In Price v. Socialist People’s Libyan Arab Jamahiriya, 
    294 F.3d 82
     (D.C. Cir. 2002), the plaintiffs were two American
    citizens imprisoned in Libya, allegedly for political reasons.
    They alleged that they endured deplorable conditions while
    incarcerated, including urine-soaked mattresses, a cramped
    cell with substandard plumbing they were forced to share with
    seven other inmates, a lack of medical care and inadequate
    food. See 
    id. at 86
    . They also alleged that they were “kicked,
    clubbed and beaten” by prison guards, and “interrogated and
    subjected to physical, mental and verbal abuse.” 
    Id.
     The plain-
    tiffs sued Libya under the Foreign Sovereign Immunities Act,
    alleging torture. The court held that the plaintiffs had failed
    to adequately allege torture because they did not allege suffi-
    ciently severe pain or suffering, noting that “[t]he critical
    issue is the degree of pain and suffering that the alleged tor-
    turer intended to, and actually did, inflict upon the victim. The
    more intense, lasting, or heinous the agony, the more likely it
    is to be torture.” 
    Id. at 93
    . Although the plaintiffs alleged that
    they suffered “kicking, clubbing, and beatings,” there was “no
    way to determine from the present complaint the severity of
    plaintiffs’ alleged beatings — including their frequency, dura-
    tion, the parts of the body at which they were aimed, and the
    weapons used to carry them out.” Id.14
    Applicants “complained of being deprived of sleep as a result of being tied
    in the ‘Shabach’ position, being subjected to the playing of powerfully
    loud music, or intense non-stop interrogations without sufficient rest
    breaks. They claim that the purpose of depriving them of sleep is to cause
    them to break from exhaustion.” Id. at 1476.
    14
    The court, however, remanded to allow the plaintiffs to attempt to
    amend their complaint in an effort to satisfy the stringent definition of tor-
    ture. See Price, 
    294 F.3d at 94
    .
    4538                    PADILLA v. YOO
    In other decisions in existence at the time of Yoo’s OLC
    tenure, this Circuit found torture, but the treatment at issue
    was more severe than that to which Padilla was allegedly sub-
    jected:
    In Al-Saher v. INS, 
    268 F.3d 1143
     (9th Cir. 2001), amended
    on another ground, 
    355 F.3d 1140
     (9th Cir. 2004), an immi-
    gration case, we concluded that the petitioner was entitled to
    relief under the Convention Against Torture and Other Cruel,
    Inhuman or Degrading Treatment or Punishment (CAT)
    because he had been tortured in Iraq. On one occasion, the
    petitioner was detained, interrogated and severely beaten for
    one month. See id. at 1145. During his interrogations, he was
    blindfolded and his hands were tied behind his back. See id.
    On another occasion, he was blindfolded, restrained, beaten
    and burned with cigarettes over an 8- to 10-day period. See id.
    Noting that these actions “were specifically intended by offi-
    cials to inflict severe physical pain” on the petitioner, we held,
    under CAT, that he suffered torture. Id. at 1147-48.
    In Hilao v. Estate of Marcos, 
    103 F.3d 789
     (9th Cir. 1996),
    an Alien Tort Statute case, we held that two plaintiffs, Sison
    and Piopongco, were tortured in the Philippines during the
    regime of Ferdinand Marcos. See 
    id. at 795
    . Sison had been
    interrogated by members of the military, who blindfolded and
    severely beat him while he was handcuffed and fettered;
    threatened him with electric shock and death; denied him
    sleep; and imprisoned him for seven months in a suffocatingly
    hot and unlit cell, measuring 2.5 meters square, during which
    time he was shackled to his cot, his handcuffs often so tight
    that the slightest movement made them cut into his flesh. See
    
    id. at 790-91
    . During this period, Sison felt “extreme” and
    “almost undescribable” pain. 
    Id. at 791
    . After his seven
    months shackled to his cot, Sison spent more than eight years
    in detention, approximately five of them in solitary confine-
    ment and the rest in near-solitary confinement. See 
    id.
     In one
    round of interrogation, lasting six hours, Sison’s limbs were
    shackled to a cot, a towel was placed over his nose and mouth
    PADILLA v. YOO                           4539
    and his interrogators then poured water down his nostrils so
    that he felt as though he were drowning. See 
    id. at 790
    . The
    other plaintiff — Piopongco — was arrested, held incommu-
    nicado, interrogated, subjected to mock executions and threat-
    ened with death. See 
    id. at 791
    .
    Here, Padilla alleged that he was subjected to prolonged
    isolation; deprivation of light; exposure to prolonged periods
    of light and darkness, including being “periodically subjected
    to absolute light or darkness for periods in excess of twenty-
    four hours”; extreme variations in temperature; sleep adjust-
    ment; threats of severe physical abuse; death threats; adminis-
    tration of psychotropic drugs; shackling and manacling for
    hours at a time; use of “stress” positions; noxious fumes that
    caused pain to eyes and nose; loud noises; withholding of any
    mattress, pillow, sheet or blanket; forced grooming; suspen-
    sions of showers; removal of religious items; constant surveil-
    lance; incommunicado detention, including denial of all
    contact with family and legal counsel for a 21-month period;
    interference with religious observance; and denial of medical
    care for “serious and potentially life-threatening ailments,
    including chest pain and difficulty breathing, as well as for
    treatment of the chronic, extreme pain caused by being forced
    to endure stress positions.” Compl. ¶¶ 55-56, 64, 69-71. The
    complaint also alleged, albeit in conclusory fashion, that
    Padilla “suffered and continues to suffer severe mental and
    physical harm as a result of the forty-four months of unlawful
    military detention and interrogation.” Compl. ¶¶ 6, 76. It also
    alleged that Padilla suffered “severe physical pain” and “pro-
    found disruption of his senses and personality.” Compl. ¶¶ 45,
    75.
    [7] We assume without deciding that Padilla’s alleged
    treatment rose to the level of torture.15 That it was torture was
    (Text continued on page 4541)
    15
    Recent decisions may offer support for this assumption. In Ali v.
    Rumsfeld, 
    649 F.3d 762
     (D.C. Cir. 2011), four Afghan and five Iraqi citi-
    zens captured and held in Afghanistan and Iraq by the U.S. military sued
    4540                          PADILLA v. YOO
    former Secretary of Defense Rumsfeld and three high-ranking Army offi-
    cers, alleging the plaintiffs were tortured in violation of the Due Process
    Clause of the Fifth Amendment. See id. at 764-66. They alleged they were
    beaten, stripped naked, hooded, exposed to dangerously high tempera-
    tures, subjected to prolonged sleep deprivation, deprived of adequate food
    and water, subjected to mock executions and death threats, subjected to
    sensory deprivation, placed in restraints and stress positions, sexually
    assaulted and denied necessary medical care. See id. at 765-66. The major-
    ity did not address whether the plaintiffs’ allegations rose to the level of
    torture. In a dissenting opinion, however, Judge Edwards, though observ-
    ing that “[t]he definition of torture is a matter of some controversy,”
    assumed without deciding “that the offenses articulated in the [plaintiffs’]
    complaint constituted torture” — in part because the government did not
    dispute the plaintiffs’ assertion in its brief. Id. at 785 (Edwards, J., dissent-
    ing in part).
    In Vance v. Rumsfeld, which the Seventh Circuit has vacated and agreed
    to rehear en banc, the plaintiffs were two United States citizens who
    alleged they were detained for weeks and illegally tortured by U.S. mili-
    tary personnel in Iraq in 2006. See 
    653 F.3d at 594
    . They alleged that the
    lights were kept on at all times in their cells; their cells were kept intolera-
    bly cold; guards would wake them if they were ever caught sleeping;
    heavy metal and country music was pumped into their cells at loud vol-
    umes; they were often deprived of food and water; they were repeatedly
    deprived of necessary medical care; they experienced “hooding”; they
    were “walled,” i.e., slammed into walls while being led blindfolded with
    towels placed over their heads to interrogation sessions; they were threat-
    ened with excessive force and indefinite detention; their contact with their
    families was limited; one of the plaintiff’s requests for clergy visits were
    denied; and they were forbidden to correspond with a lawyer or a court.
    See 
    id. at 595-97
    . The three-judge panel held that any reasonable official
    in 2006 would have understood this treatment to amount to torture. See 
    id. at 610
    . The government effectively conceded that the allegations
    amounted to torture. See 
    id. at 607
    .
    In a less comparable case, Arar v. Ashcroft, 
    585 F.3d 559
     (2d Cir. 2009)
    (en banc), a dual citizen of Syria and Canada challenged his extraordinary
    rendition to Syria. The plaintiff alleged violations of his substantive due
    process rights under the Fifth Amendment, in part based on his alleged
    detention and torture in Syria. The majority rejected the plaintiff’s claim
    under Bivens, and thus did not decide whether the plaintiff’s treatment in
    Syria amounted to torture or otherwise violated substantive due process.
    PADILLA v. YOO                           4541
    not, however, “beyond debate” in 2001-03. There was at that
    time considerable debate, both in and out of government, over
    the definition of torture as applied to specific interrogation
    techniques. In light of that debate, as well as the judicial deci-
    sions discussed above, we cannot say that any reasonable offi-
    cial in 2001-03 would have known that the specific
    interrogation techniques allegedly employed against Padilla,
    however appalling, necessarily amounted to torture. Thus,
    although we hold that the unconstitutionality of torturing an
    American citizen was beyond debate in 2001-03, it was not
    clearly established at that time that the treatment Padilla
    alleges he was subjected to amounted to torture.
    C.
    [8] For these reasons, we hold that Yoo is entitled to quali-
    fied immunity on the plaintiffs’ claims.16 Because we reverse
    The dissent, however, deemed the plaintiff’s treatment to be torture. The
    dissent described the most serious allegations as follows:
    During his first twelve days in Syrian detention, Arar was interro-
    gated for eighteen hours per day and was physically and psycho-
    logically tortured. He was beaten on his palms, hips, and lower
    back with a two-inch-thick electric cable. His captors also used
    their fists to beat him on his stomach, his face, and the back of
    his neck. He was subjected to excruciating pain and pleaded with
    his captors to stop, but they would not. He was placed in a room
    where he could hear the screams of other detainees being tortured
    and was told that he, too, would be placed in a spine-breaking
    “chair,” hung upside down in a “tire” for beatings, and subjected
    to electric shocks. To lessen his exposure to the torture, Arar
    falsely confessed, among other things, to having trained with ter-
    rorists in Afghanistan, even though he had never been to Afghan-
    istan and had never been involved in terrorist activity.
    
    Id. at 587
     (Sack, J., dissenting).
    16
    We have discretion to decide which of the two prongs of qualified
    immunity analysis to address first. See al-Kidd, 
    131 S. Ct. at
    2080 (citing
    Pearson v. Callahan, 
    555 U.S. 223
    , 236 (2009)). Here, we consider only
    the second prong.
    4542                        PADILLA v. YOO
    on that basis, we do not address Yoo’s alternative arguments
    that the complaint does not adequately allege his personal
    responsibility for Padilla’s treatment and that a Bivens remedy
    is unavailable.
    Our conclusion that Yoo is entitled to qualified immunity
    does not address the propriety of Yoo’s performance of his
    duties at OLC otherwise. As amici point out, the complaint
    alleges that Yoo “intentionally violated professional standards
    reflected in OLC practice and willfully disregarded the obliga-
    tions attendant on his office.” Brief of Bruce Fein, Roberts B.
    Owen and Michael P. Scharf as Amici Curiae in Support of
    Plaintiffs-Appellees and Affirmance 2. Amici argue that
    “[s]uch conduct, if proven, would strike at the very heart of
    OLC’s mission and seriously compromise the ability of the
    executive to make informed, even lawful, decisions.” 
    Id.
     at 2-
    3. These allegations have been the subject of an internal
    Department of Justice investigation of Yoo’s compliance with
    professional standards and are not at issue here.17
    III.    CONCLUSION
    Yoo is entitled to qualified immunity. The order of the dis-
    trict court denying Yoo’s motion to dismiss is therefore
    reversed in pertinent part.
    REVERSED.
    17
    The Department of Justice investigation produced two reports. See
    Dep’t of Justice, Office of Prof’l Responsibility, Report of Investigation
    into the Office of Legal Counsel’s Memoranda Concerning Issues
    Relating to the Central Intelligence Agency’s Use of “Enhanced Interroga-
    tion Techniques” on Suspected Terrorists 260 (July 29, 2009) (concluding
    that Yoo committed “intentional professional misconduct”), available at
    http://judiciary.house.gov/hearings/pdf/OPRFinalReport090729.pdf;
    David Margolis, Memorandum of Decision Regarding the Objections to
    the Findings of Professional Misconduct in the Office of Professional
    Responsibility’s Report 67, 68 (Jan. 5, 2010) (concluding that Yoo “exer-
    cised poor judgment” but did not “knowingly provide inaccurate legal
    advice”),      available      at    http://judiciary.house.gov/hearings/pdf/
    DAGMargolisMemo100105.pdf.