New York Times Co. v. United States Deparment of Justice ( 2014 )


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  • 13-422-cv
    The New York Times Company v. United States
    UNITED STATES COURT OF APPEALS
    FOR THE SECOND CIRCUIT
    August Term 2013
    Submitted: October 1, 2013                            Decided: June 23, 2014
    Docket Nos. 13-422(L), 13-445(Con)
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    THE NEW YORK TIMES COMPANY, CHARLIE SAVAGE,
    SCOTT SHANE, AMERICAN CIVIL LIBERTIES UNION,
    AMERICAN CIVIL LIBERTIES UNION FOUNDATION,
    Plaintiffs-Appellants,
    v.
    UNITED STATES DEPARTMENT OF JUSTICE, UNITED
    STATES DEPARTMENT OF DEFENSE, CENTRAL
    INTELLIGENCE AGENCY,
    Defendants-Appellees.
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    Before: NEWMAN, CABRANES, and POOLER, Circuit Judges.
    Appeal from the January 24, 2013, judgment of the United
    States District Court for the Southern District of New York
    (Colleen McMahon, District Judge), dismissing, on motion for
    summary judgment, a suit under the Freedom of Information Act
    seeking documents relating to targeted killings of United States
    citizens carried out by drone aircraft.
    We conclude that (1) a redacted version of the OLC-DOD
    1
    Memorandum must be disclosed, (2) a redacted version of the
    classified Vaughn index (described below) submitted by OLC must
    be disclosed, (3) other legal opinions prepared by OLC must be
    submitted to the District Court for in camera inspection and
    determination of waiver of privileges and appropriate redaction,1
    (4)   the   Glomar    and   “no   number,   no   list”    responses    are
    insufficiently justified, (5) DOD and CIA must submit Vaughn
    indices to the District Court for in camera inspection and
    determination    of    appropriate       disclosure   and     appropriate
    redaction, and (6) the OIP search was sufficient.            We therefore
    affirm in part, reverse in part, and remand.
    David E. McCraw, The New York Times
    Company, New York, N.Y. (Stephen
    N. Gikow, New York, N.Y., on the
    brief), for Plaintiffs-Appellants
    The   New  York   Times  Company,
    Charlie Savage, and Scott Shane.
    Jameel    Jaffer,      American     Civil
    1
    The double underlined portions of this sealed opinion are
    passages that have been redacted from the publicly available
    opinion filed today.      These portions appear with double
    underlining to assist those involved in any further review in
    easily identifying the redactions from the publicly available
    opinion that were made at the request of the Government to
    preserve its opportunities for further appellate review.
    2
    Liberties Union Foundation, New
    York, N.Y. (Hina Shamsi, Brett Max
    Kaufman, American Civil Liberties
    Union Foundation, New York, N.Y.,
    Joshua Colangelo-Bryan, Dorsey &
    Whitney LLP, New York, N.Y., Eric
    Ruzicka, Colin Wicker, Dorsey &
    Whitney LLP, Minneapolis, M.N., on
    the   brief),    for   Plaintiffs-
    Appellants     American      Civil
    Liberties Union and American Civil
    Liberties Union Foundation.
    Sharon Swingle, U.S. Appellate Staff
    Atty., Washington, D.C. (Preet
    Bharara, U.S. Atty., Sarah S.
    Normand, Asst. U.S. Atty., New
    York, N.Y., Stuart F. Delery,
    Acting Asst. U.S. Atty. General,
    Washington, D.C., on the brief),
    for Defendants-Appellees.
    (Bruce D. Brown, Mark Caramanica,
    Aaron   Mackey,    The   Reporters
    Committee for Freedom of Press,
    Arlington, V.A., for amicus curiae
    The   Reporters    Committee   for
    Freedom of Press, in support of
    Plaintiffs-Appellants.)
    (Marc Rotenberg, Alan Butler, Ginger
    McCall,    David    Brody,   Julia
    Horwitz,     Electronic    Privacy
    Information Center, Washington,
    D.C., for amicus curiae Electronic
    Privacy Information Center, in
    support of Plaintiffs-Appellants.)
    JON O. NEWMAN, Circuit Judge:
    This appeal of a judgment dismissing challenges to denials
    of   requests   under   the   Freedom   of   Information   Act   (“FOIA”)
    3
    presents important issues arising at the intersection of the
    public's    opportunity       to   obtain           information      about    their
    government's activities and the legitimate interests of the
    Executive Branch in maintaining secrecy about matters of national
    security.     The   issues     assume       added     importance      because   the
    information sought concerns targeted killings of United States
    citizens carried out by drone aircraft.                    Plaintiffs-Appellants
    The New York Times Company and New York Times reporters Charlie
    Savage and Scott Shane (sometimes collectively “N.Y. Times”), and
    the   American   Civil   Liberties          Union    and    the   American    Civil
    Liberties Union Foundation (collectively “ACLU”) appeal from the
    January 24, 2013, judgment of the United States District Court
    for the Southern District of New York (Colleen McMahon, District
    Judge)   dismissing,     on   motions        for     summary      judgment,   their
    consolidated FOIA suits. See New York Times Co. v. U. S. Dep’t
    of Justice (“Dist. Ct. Op.”), 
    915 F. Supp. 2d 508
    (S.D.N.Y.
    2013).   The suits were brought against the Defendants-Appellees
    United States Department of Justice (“DOJ”), the United States
    Department of Defense (“DOD”), and the Central Intelligence
    4
    Agency (“CIA”) (sometimes collectively the “Government”).
    We emphasize at the outset that the Plaintiffs’ lawsuits do
    not    challenge   the    lawfulness       of    drone    attacks    or    targeted
    killings.      Instead,    they    seek     information       concerning      those
    attacks, notably, documents prepared by DOJ’s Office of Legal
    Counsel (“OLC”) setting forth the Government’s reasoning as to
    the lawfulness of the attacks.
    The issues primarily concern the validity of FOIA responses
    that (a) decline to reveal even the existence of any documents
    responsive to particular requests (so-called “Glomar responses”
    (described below)), (b) acknowledge the existence of responsive
    documents but decline to reveal either the number or description
    of such documents (so-called “no number, no-list” responses
    (described     below)),    (c)    assert        various    FOIA     exemptions   or
    privileges claimed to prohibit disclosure of various documents
    that    have   been   publicly     identified,            notably    the    OLC-DOD
    Memorandum and other OLC legal opinions, and (d) challenge the
    adequacy of a FOIA search conducted by one office of DOJ.
    We conclude that (1) a redacted version of the OLC-DOD
    5
    Memorandum must be disclosed, (2) a redacted version of the
    classified Vaughn index (described below) submitted by OLC must
    be disclosed, (3) other legal opinions prepared by OLC must be
    submitted to the District Court for in camera inspection and
    determination of waiver of privileges and appropriate redaction,
    (4)   the   Glomar    and   “no     number,    no   list”   responses   are
    insufficiently justified, (5) DOD and CIA must submit Vaughn
    indices to the District Court for in camera inspection and
    determination    of    appropriate        disclosure    and    appropriate
    redaction, and (6) the Office of Information Policy (“OIP”)
    search was sufficient.      We therefore affirm in part, reverse in
    part, and remand.
    Background
    The FOIA requests at issue in this case focus primarily on
    the drone attacks in Yemen that killed Anwar al-Awlaki2 and Samir
    Khan in September 2011 and al-Awlaki’s teenage son, Abdulrahman
    al-Awlaki, in October 2011. All three victims were United States
    2
    This spelling, which we adopt (except in quotations), is used
    by the District Court and in the Government’s brief. The briefs of
    N.Y. Times and ACLU and numerous documents in the record render the
    name “al-Aulaqi.”
    6
    citizens either by birth or naturalization.
    Statutory Framework. FOIA provides, with exceptions not
    relevant to this case, that an “agency, upon any request for
    records which (i) reasonably describes such records and (ii) is
    made in accordance with published rules . . . , shall make the
    records   promptly   available       to   any   person.”   5   U.S.C.
    § 552(a)(3)(A) (2013).   FOIA contains several exemptions, three
    of which are asserted in this case.
    Exemption 1 exempts records that are “(A) specifically
    authorized under criteria established by an Executive order to
    be kept secret in the interest of national defense or foreign
    policy and (B) are in fact properly classified pursuant to such
    Executive order.” 5 U.S.C. § 552(b)(1) (2013).       Executive Order
    13526 allows an agency to withhold information that (1) “pertains
    to” one of the categories of information specified in the
    Executive order, including “intelligence activities (including
    covert action),” “intelligence sources or methods,” or “foreign
    relations or foreign activities of the United States” and (2) if
    “unauthorized disclosure of the information could reasonably be
    7
    expected to cause identifiable and describable damage to the
    national security.”     Executive Order No. 13526 § 1.1(a)(3)-(4),
    1.4(c)-(d), 75 Fed. Reg. 708, 709 (Dec. 29, 2009).
    Exemption 3 exempts records that are “specifically exempted
    from disclosure by [another] statute” if the relevant statute
    either “requires that the matters be withheld from the public in
    such a manner as to leave no discretion on the issue” or
    “establishes particular criteria for withholding or refers to
    particular   types    of    matters       to   be    withheld.”        5   U.S.C.
    §   552(b)(3)(A)(i),       (ii)   (2013).           Two   such    statutes      are
    potentially relevant here.        The Central Intelligence Agency Act
    of 1949, as amended, provides that the Director of National
    Intelligence “shall be responsible for protecting intelligence
    sources or methods,” and exempts CIA from “any other law which
    require[s] the publication or disclosure of the organization,
    functions,   names,    official    titles,      salaries,        or   numbers    of
    personnel employed by the Agency.” 50 U.S.C. § 3507 (2013). The
    National Security Act of 1947, 50 U.S.C. § 3024-1(i)(1) (2013),
    exempts from disclosure “intelligence sources and methods.”
    8
    Exemption   5   exempts     “inter-agency   or   intra-agency
    memorandums or letters which would not be available by law to a
    party other than an agency in litigation with the agency.” 5
    U.S.C. § 552(b)(5) (2013).    Exemption 5 encompasses traditional
    common law privileges against disclosure, including the attorney-
    client and deliberative process privileges.          See National
    Council of La Raza v. Dep't of Justice, 
    411 F.3d 350
    , 356 (2d
    Cir. 2005).
    The N.Y. Times FOIA requests and Government responses.
    Shane and Savage, New York Times reporters, submitted separate
    FOIA requests to OLC.   Shane’s request, submitted in June 2010,
    sought:
    all Office of Legal Counsel opinions or memoranda since
    2001 that address the legal status of targeted
    killings, assassination, or killing of people suspected
    of ties to Al-Qaeda or other terrorist groups by
    employees or contractors of the United States
    government.
    Joint Appendix (“JA”) 296-97.
    Savage’s request, submitted in October 2010, sought:
    a copy of all Office of Legal Counsel memorandums
    analyzing the circumstances under which it would be
    lawful for United States armed forces or intelligence
    9
    community assets to target for killing a United States
    citizen who is deemed to be a terrorist.
    JA 300-01.
    OLC denied Shane’s request.          With respect to the portion of
    his request that pertained to DOD, OLC initially submitted a so-
    called “no number, no list” response3 instead of submitting the
    usual Vaughn index,4 numbering and identifying by title and
    description documents that are being withheld and specifying the
    FOIA       exemptions    asserted.    A     no   number,    no   list   response
    acknowledges       the    existence   of    documents      responsive    to   the
    request, but neither numbers nor identifies them by title or
    description.       OLC said that the requested documents pertaining
    to DOD were being withheld pursuant to FOIA exemptions 1, 3, and
    5.
    As to documents pertaining to agencies other than DOD, OLC
    3
    The term was apparently coined by CIA, see Bassiouni v. CIA, 
    392 F.3d 244
    , 246 (7th Cir. 2004), and the CIA’s use of no number, no list
    responses to FOIA requests has been considered by district courts in
    the District of Columbia. See National Security Counselors v. CIA, 
    898 F. Supp. 2d 233
    , 284-85 (D.D.C. 2012); Jarvik v. CIA, 
    741 F. Supp. 2d 106
    , 123 (D.D.C. 2010).
    4
    The term derives from Vaughn v. Rosen, 
    484 F.2d 820
    (D.C. Cir.
    1973).
    10
    submitted a so-called “Glomar response.”5      This type of response
    neither confirms nor denies the existence of documents responsive
    to the request. See Wilner v. National Security Agency, 
    592 F.3d 60
    , 68 (2d Cir. 2009).    OLC stated that the Glomar response was
    given “because the very fact of the existence or nonexistence of
    such documents is itself classified, protected from disclosure
    by statute, and privileged” under 5 U.S.C. § 552(b)(1), (3), (5).
    CIA confirmed that it requested DOJ to submit a Glomar response
    on its behalf.6
    OLC also denied Savage’s request.          Declining to submit
    either a Vaughn index or even a no number, no list response, OLC
    submitted a Glomar response, stating that, pursuant to Exemptions
    1, 3, and 5, it was neither confirming nor denying the existence
    5
    The term derives from the Hughes Glomar Explorer, a vessel built
    to recover a sunken Soviet submarine. See Phillippi v. CIA, 
    546 F.2d 1009
    , 1010-12 (D.C. Cir. 1976). A Glomar response was first used in
    1992 in a case challenging a Government agency’s refusal to confirm or
    deny the existence of certain materials requested under FOIA, see
    Benavides v. DEA, 
    968 F.2d 1243
    , 1245 (D.C. Cir. 1992).
    6
    CIA made one exception to its request that OLC submit a Glomar
    response. Because CIA’s involvement in the operation that resulted in
    the death of Osama bin Laden had been acknowledged and was not
    classified, the agency asserted that any OLC documents related to the
    agency’s involvement in that operation would not be covered by a
    Glomar response, but added that there were no such documents.
    11
    of documents described in the request. Unlike its letter denying
    the Shane request, OLC’s response to the Savage request did not
    identify any responsive documents relating to DOD.
    During the course of the            litigation, OLC modified its
    responses to the Shane and Savage requests by identifying the
    existence of one document pertaining to DOD, what the District
    Court and the parties have referred to as the OLC-DOD Memorandum,
    but claimed that this document was exempt from disclosure under
    Exemption 5.      Because the OLC-DOD Memorandum was classified, it
    was presumably also withheld under Exemption 1.             As to all other
    DOD documents, it is not clear whether OLC was continuing to
    assert a Glomar response, as it had made to Shane, or a no
    number, no list response, as it had made to Savage.
    The ACLU FOIA requests and Government responses. In October
    2011,     ACLU   submitted   FOIA   requests   to   three   agencies:   DOJ
    (including two of DOJ’s component agencies, OIP and OLC), DOD,
    and     CIA.     The   requests,    quoted     in   the   margin,7   sought
    7
    1. All records created after September 11, 2001, pertaining
    to the legal basis in domestic, foreign, and international
    law upon which U.S. citizens can be subjected to targeted
    killings, whether using unmanned aerial vehicles (“UAVs” or
    12
    “drones) or by other means.
    2. All records created after September 11, 2001, pertaining
    to the process by which U.S. citizens can be designated for
    targeted killings, including who is authorized to make such
    determinations and what evidence is needed to support them.
    3. All memoranda, opinions, drafts, correspondence, and
    other records produced by the OLC after September 11, 2001,
    pertaining to the legal basis in domestic, foreign, and
    international law upon which the targeted killing of Anwar
    al-Awlaki was authorized and upon which he was killed,
    including discussions of:
    A. The reasons why domestic-law prohibitions on murder,
    assassination, and excessive use of force did not
    preclude the targeted killing of al-Awlaki;
    B. The protection and requirements imposed by the Fifth
    Amendment Due Process Clause;
    C. The reasons why International-law prohibitions on
    extrajudicial killing did not preclude the targeted
    killing of al-Awlaki;
    D. The applicability (or non-applicability) of the
    Treason Clause to the decision whether to target al-
    Awlaki;
    E. The legal basis authorizing the CIA, JSOC, or other
    U.S. Government entities to carry out the targeted
    killing of Anwar Al-Awlaki;
    F. Any requirement for proving that al-Awlaki posed an
    imminent risk of harm to others, including an
    explanation of how to define imminence in this context;
    and
    G. Any requirement that the U.S. Government first
    attempt to capture Al-Awlaki before killing him.
    13
    4. All documents and records pertaining to the factual basis
    for the targeted killing of Al-Awlaki, including:
    A. Facts supporting a belief that al-Awlaki posed an
    imminent threat to the United States or United States
    interests;
    B. Facts supporting a belief that al-Awlaki could not
    be captured or brought to justice using nonlethal
    means;
    C.   Facts  indicating    that   there   was  a   legal
    justification for killings persons other than al-
    Awlaki, including other U.S. citizens, while attempting
    to kill al-Awlaki himself;
    D. Facts supporting the assertion that al-Awlaki was
    operationally involved in al Qaeda, rather than being
    involved merely in propaganda activities; and
    E. Any other facts relevant to the decision to
    authorize and execute the targeted killings of al-
    Awlaki.
    5. All documents and records pertaining to the factual basis
    for the killing of Samir Khan, including whether he was
    intentionally targeted, whether U.S. Government personnel
    were aware of his proximity to al-Awlaki at the time the
    missiles were launched at al-Awlaki’s vehicle, whether the
    United States took measures to avoid Khan’s death, and any
    other facts relevant to the decision to kill Khan or the
    failure to avoid causing his death.
    6. All documents and records pertaining to the factual basis
    for the killing of Abdulrahman al-Awlaki, including whether
    he was intentionally targeted, whether U.S. Government
    personnel were aware of his presence when they launched a
    missile or missiles at his location, whether he was targeted
    on the basis of his kinship with Anwar al-Awlaki, whether
    the United States took measures to avoid his death, and any
    14
    various documents concerning the targeted killings of United
    States citizens in general and al-Awlaki, his son, and Khan in
    particular.
    Both OLC and CIA initially submitted Glomar responses,
    refusing     to   confirm   or   deny    the   existence   of   responsive
    documents, pursuant to Exemptions 1, 3, and 5.
    DOD initially stated that it could not respond to the
    request within the statutory time period because of the scope and
    complexity of the request.
    During the course of the litigation, the Government agencies
    modified their original responses in light of statements by
    senior Executive Branch officials on the legal and policy issues
    pertaining to United States counterterrorism operations and the
    potential use of lethal force by the United States Government
    against senior operational leaders of al-Qaeda who are United
    States citizens.
    OLC provided ACLU with a Vaughn index of sixty unclassified
    other factors relevant to the decision to kill him or the
    failure to avoid causing his death.
    JA 252-53.
    15
    responsive     documents,   each    described     as    an    e-mail    chain
    reflecting internal deliberations concerning the legal basis for
    the use of lethal force against United States citizens in a
    foreign country in certain circumstances.              OLC withheld these
    documents pursuant to Exemption 5.
    OLC also submitted a no number, no list response as to
    classified documents, stating that it could not provide the
    number or description of these documents because that information
    was protected from disclosure by Exemptions 1 and 3.                OLC did
    describe one of these documents as an “OLC opinion related to DoD
    operations,”     Declaration   of   John   E.   Bies,    Deputy   Assistant
    Attorney General, OLC ¶ 38 (“Bies Decl.”), JA 279, which it
    withheld in its entirety under Exemptions 1 and 3.                  This is
    apparently not the OLC-DOD Memorandum, which OLC said was exempt
    from disclosure under Exemption 5. That this document is not the
    OLC-DOD Memorandum is confirmed by OLC’s assertion that this
    document “cannot be further identified or described on the public
    record.”   
    Id. The OLC-DOD
      Memorandum     was       withheld   under
    Exemptions 1 and 5.
    OIP located one responsive document, a set of talking points
    16
    prepared   for      the   Attorney   General   and    others   related    to
    “hypothetical       questions    about    Anwar      al-Aulaqi’s   death,”
    Declaration of Douglas R. Hibbard, Deputy Chief of the Initial
    Request Staff, OIP ¶ 8, JA 441, which it released to ACLU.               OIP
    also issued a Vaughn index listing four unclassified records
    withheld under Exemptions 3, 5, and 6.8           OIP also submitted a no
    number, no list response to various classified documents withheld
    under Exemptions 1 and 3.
    DOD’s revised response disclosed a speech given by Jeh
    Johnson, then-DOD General Counsel, at Yale Law School on February
    22, 2012. DOD also provided ACLU with a Vaughn index listing ten
    unclassified records, withheld pursuant to Exemption 5.              Seven
    of those documents were e-mail traffic regarding drafts of the
    speech given by Johnson at Yale Law School and a speech delivered
    by Attorney General Holder at Northwestern University School of
    Law. One of the withheld unclassified records was a presentation
    by   Johnson   in    February   2012,     regarding    international     law
    8
    Exemption 6, which is not in issue in this appeal, applies to
    “personnel and medical files and similar files the disclosure of which
    would constitute a clearly unwarranted invasion of personal privacy.”
    5 U.S.C. § 552(b)(6) (2013).
    17
    principles, to officers who had recently obtained the rank of O-
    7.    The   remaining   two   withheld   unclassified   records   were
    described as “memoranda from the Legal Counsel to the Chairman
    of the Joint Chiefs of Staff to the White House’s National
    Security Council Legal Advisor addressing the legal basis for
    conducting military operations against U.S. citizens in general.”
    Declaration of Robert E. Neller, Lt. General, United States
    Marine Corp, Director of Operations for the Joint Staff at the
    Pentagon, ¶ 16 (“Neller Decl.”). JA 334.
    DOD also located responsive classified records.          One of
    these was the previously mentioned OLC-DOD memorandum, which DOD
    withheld under Exemptions 1 and 5.       As to the other classified
    documents, DOD submitted a no number, no list response.
    CIA modified its initial Glomar responses in June 2012 by
    confirming the existence of “responsive records reflecting a
    general interest” in two areas described in the ACLU’s request:
    (1) “‘the legal basis . . . upon which U.S. citizens can be
    subjected to targeted killing’” and (2) “‘the process by which
    U.S. citizens can be subjected to targeted killing.’” Declaration
    18
    of John Bennett, Director, National Clandestine Service, CIA,
    ¶ 27 (quoting ACLU request).               In these two categories, CIA
    submitted a no number, no list response, relying on Exemptions
    1 and 3, with the exception that CIA acknowledged that it
    possessed copies of speeches given by the Attorney General at
    Northwestern University Law School on March 5, 2012, and by the
    Assistant     to    the   President        for   Homeland       Security    and
    Counterterrorism on April 30, 2012. See 
    id. The pending
      lawsuit   and    District     Court   opinions.        In
    December 2011, N.Y. Times filed a lawsuit challenging the denials
    of the Shane and Savage requests.                ACLU filed its suit in
    February    2012.     After     the   suits      were   consolidated,      both
    Plaintiffs and the Government filed cross-motions for summary
    judgment.     In January 2013, the District Court denied both
    Plaintiffs’    motions    for    summary      judgment    and    granted    the
    Defendants’ motion in both cases, with one exception, which
    required DOD to submit a more detailed justification as to why
    the deliberative process exemption (asserted through Exemption
    5) applied to two unclassified memos listed in its Vaughn index.
    19
    See Dist. Ct. 
    Op., 915 F. Supp. 2d at 553
    .                    Later in January
    2013, after receiving a supplemental submission from DOD, the
    District      Court   granted     the    Defendants’    motion    for    summary
    judgment with respect to the two unclassified DOD memos. See New
    York Times Co. v. U. S. DOJ (“Dist. Ct. Supp. Op.”), Nos. 11 Civ.
    9336, 12 Civ. 794, 
    2013 WL 238928
    (S.D.N.Y. Jan. 22, 2013).
    In its principal opinion, which we discuss in more detail in
    Parts   III    and    IV,   below,      the   Court   first    ruled    that   the
    Government     had    conducted    an    adequate     search   for     responsive
    documents. See Dist. Ct. 
    Op., 915 F. Supp. 2d at 532-33
    .                       The
    Court then considered separately each of the Government’s claims
    to an exemption.
    As to Exemption 1, concerning properly classified documents,
    the Court first ruled that there was no evidence that any of the
    documents withheld pursuant to Exemption 1 had not been properly
    classified. See 
    id. at 535.
                The Court specifically considered
    the Plaintiffs’ claim that legal analysis could not be classified
    and rejected the claim. See 
    id. Turning to
    the Plaintiffs’ claim of waiver, the Court,
    20
    citing Wilson v. CIA, 
    586 F.3d 171
    , 186 (2d Cir. 2009), first
    ruled that waiver of Exemption 1 had not occurred with respect
    to   classified       documents   containing         operational     details   of
    targeted killing missions. See Dist. Ct. 
    Op., 915 F. Supp. 2d at 535-37
    .     The Court then specifically considered whether waiver
    of   Exemption    1    had   occurred        with   respect   to    the   OLC-DOD
    Memorandum and rejected the claim. See 
    id. at 538.
    As to Exemption 3, which protects records exempted from
    disclosure by statute, the District Court first noted that
    section 102A(i)(1) of the National Security Act, now codified at
    50 U.S.C. § 3024(i)(1) (2013), is an exempting statute within the
    meaning of Exemption 3, and that this provision protects from
    disclosure “intelligence sources and methods.” 
    Id. at 539.
                        The
    Court     then   reckoned    with   ACLU’s          contention     that   placing
    individuals on kill lists does not fall within the category of
    intelligence sources and methods.               Agreeing with a decision of
    a district court in the District of Columbia, ACLU v. Dep’t of
    Justice, 
    808 F. Supp. 2d 280
    , 290-92 (D.D.C. 2011) (“Drone Strike
    Case”), which was later reversed on appeal, see ACLU v. CIA, 710
    
    21 F.3d 422
    (D.C. Cir. 2013), the District Court here rejected
    ACLU’s argument. See Dist. Ct. 
    Op., 915 F. Supp. 2d at 540
    .                   The
    District Court then specifically focused on the issue whether
    legal analysis could fall within the category of intelligence
    sources and methods.    Acknowledging that it is “entirely logical
    and plausible” that intelligence sources and methods could be
    redacted from legal analysis upon in camera inspection, the Court
    declined to make such inspection or resolve the issue because it
    concluded   that   Exemption    5   “plainly        applies”      to   the   legal
    analysis that is sought here. See 
    id. The District
    Court then determined that section 6 of the CIA
    Act, 50 U.S.C. § 403g, now codified at 50 U.S.C. § 3507 (2013),
    is an exempting statute within the meaning of Exemption 3 and
    that section 6 protects from disclosure information concerning
    the “functions” of CIA. See 
    id. at 541.
                   Again, following the
    district court decision in the Drone Strike Case, before it was
    reversed,   the    District    Court        here   ruled   that    Exemption    3
    permitted CIA, in response to ACLU’s request, to refuse to reveal
    the existence of records concerning drone strikes. See 
    id. 22 As
    to Exemption 5, covering “inter-agency or intra-agency
    memorandums or letters which would not be available by law to a
    party other than an agency in litigation with the agency,” the
    District Court noted that this exemption applies to documents
    withheld “under the deliberative process privilege (a.k.a., the
    executive privilege) and the attorney-client privilege,” citing
    this Court’s decision in Tigue v. U.S. Dep’t ofJustice, 
    312 F.3d 70
    , 76 (2d Cir. 2002). See Dist. Ct. 
    Op., 915 F. Supp. 2d at 541
    -
    42. OLC relied on the deliberative process privilege to withhold
    the classified OLC-DOD Memorandum, which both Plaintiffs sought,
    and DOD relied on this privilege to withhold the two unclassified
    documents on its Vaughn index that ACLU requested.    These two,
    numbered 9 and 10, were described as “Memorandum from Legal
    Counsel to Chairman of the Joint Chiefs of Staff to the National
    Security Legal Advisor with legal analysis regarding the effect
    of U.S. citizenship on targeting enemy belligerents.” JA 409.
    With respect to the OLC-DOD Memorandum, the District Court,
    accepting N.Y. Times’s concession that this document at one time
    might have been properly withheld under the deliberative process
    23
    and/or attorney-client privileges, see 
    id. at 544,
    rejected the
    Plaintiffs’ contentions that these privileges had been lost
    because of one or more of the following principles: waiver,
    adoption, or working law, see 
    id. at 546-50.
    As to documents 9 and 10 on DOD’s Vaughn index, the Court
    initially found DOD’s justification for invoking Exemption 5
    inadequate,   see   
    id. at 545,
           but   ruled    that   a   subsequent
    submission    sufficiently     supported         the     application    of   the
    deliberative process privilege and hence Exemption 5 to these
    documents, see Dist. Ct. Supp. Op., 
    2013 WL 238928
    , at *1.
    Finally, the District Court considered the Glomar and no
    number, no list responses that were given by DOJ, DOD, and CIA.
    Apparently accepting the sufficiency of the affidavits submitted
    by officials of these agencies to justify the responses under
    Exemptions 1 and 3, the Court turned its attention to the
    Plaintiffs’   claims   that    these       protections     had   been   waived.
    Again, following the district court opinion in the Drone Strike
    Case, before it was reversed, the District Court here concluded
    that none of the public statements of senior officials waived
    24
    entitlement to submit Glomar or no number, no list responses
    because “[i]n none of these statements is there a reference to
    any particular records pertaining to the [targeted killing]
    program, let alone the number or nature of those records.” Dist.
    Ct. 
    Op., 915 F. Supp. 2d at 553
    (emphases in original).
    Information made public after the District Court opinions.9
    9
    As a general rule, a FOIA decision is evaluated as of the time
    it was made and not at the time of a court's review.       See, e.g.,
    Bonner v. U.S. Dep’t of State, 
    928 F.2d 1148
    , 1152 (D.C. Cir. 1991)
    (“To require an agency to adjust or modify its FOIA responses based on
    post-response occurrences could create an endless cycle of judicially
    mandated reprocessing.”). On this basis, the Government argues that
    we cannot consider any official disclosures made after the District
    Court's opinion.
    We disagree.    Although we are not required to consider such
    evidence, the circumstances of this case support taking judicial
    notice of the statements here.     See Fed. R. Evid. 201(b)(2). The
    Government's post-request disclosures “go[] to the heart of the
    contested issue,” Powell v. U.S. Bureau of Prisons, 
    927 F.2d 1239
    ,
    1243 (D.C. Cir. 1991) (internal quotation marks omitted), and, as
    discussed below, are inconsistent with some of its prior claims,
    including that the Government has never acknowledged CIA’s operational
    involvement. Taking judicial notice of such statements is the same
    course taken by the Court of Appeals for the D.C. Circuit in its
    recent ACLU v. C.I.A. 
    decision. 710 F.3d at 431
    . We conclude that it
    is the most sensible approach to ongoing disclosures by the Government
    made in the midst of FOIA litigation.
    Moreover, the Government’s request for an opportunity to submit
    new material concerning public disclosures made after the District
    Court’s decision was honored by affording the Government an
    opportunity, after oral argument, to submit such material ex parte for
    in camera inspection, which the Government has done.
    25
    After the District Court entered judgment for the Defendants, one
    document and several statements of Government officials that the
    Plaintiffs   contend     support   their     claims        became    publicly
    available.    The document is captioned “DOJ White Paper” and
    titled “Lawfulness of a Lethal Operation Directed Against a U.S.
    Citizen Who Is a Senior Operational Leader of Al-Qa’ida or an
    Associated   Force”    (“DOJ   White    Paper”).      As    the     Government
    acknowledges, see Br. for Appellees at 25, the 16-page, single-
    spaced DOJ White Paper was leaked to the press and subsequently
    officially disclosed by DOJ.10     The leak occurred on February 4,
    10
    The DOJ White Paper was leaked to Michael Isikoff, a reporter
    with    NBC   News,    according    to   a    report   available    at
    http://nbcnews.to/U1ZII3; the text of the leaked document is available
    via a link at that website. (Hard copies of the documents available
    at this and all other websites cited in this opinion, as well as
    copies of videos available at websites cited in this opinion, to the
    extent they can be copied, have been docketed with the Clerk of Court
    for public reference.) The official disclosure, acknowledged by the
    Government, see Br. for Appellees at 25, was made by OIP on Feb. 4,
    2013, in response to an FOIA request submitted by Truthout, according
    to a report available at http://www.truth-out.org/news/item/14585-
    targeted-killing-white-paper-leaked-to-nbc-news-turned-over-to-
    truthout-by-doj-in-response-to-a-six-month-old-foia-request-four-days-
    later; the text of the officially disclosed document is available via
    a     link      at      that      website        and     also       at
    https://www.documentcloud.org/documents/602342-draft-white-paper.html.
    The document disclosed to Truthout is marked “draft”; the document
    leaked to Isikoff is not marked “draft” and is dated November 8, 2011.
    The texts of the two documents are identical, except that the document
    26
    2013; the official disclosure occurred four days later.
    The statements are those of John O.          Brennan, Attorney
    General Eric Holder, and President Obama.       Brennan, testifying
    before the Senate Select Committee on Intelligence on February
    7, 2013, on his nomination to be director of CIA, said, among
    other things, “The Office of Legal Counsel advice establishes the
    legal boundaries within which we can operate.” Open Hearing on
    the Nomination of John O. Brennan to be Director of the Central
    Intelligence Agency Before the S. Select Comm. on Intelligence,
    leaked to Isikoff is not dated and not marked “draft.”
    ACLU contends that DOJ did not release the DOJ White Paper in
    response to its FOIA request, nor list it on its Vaughn index. See Br.
    for ACLU at 21 n.7. The Government responds that ACLU had narrowed
    its request to exclude “draft legal analyses,” Letter from Eric A.O.
    Ruzicka to Sarah S. Normand (Apr. 3, 2012), and that the DOJ White
    Paper was “part of document number 60 on the Vaughn index submitted by
    the Office of Legal Counsel as an attachment to a responsive e-mail.
    See Br. for Appellees at 25 n.8. The OLC’s Vaughn index describes
    document number 60 as “E-mail circulating draft legal analysis
    regarding the application of domestic and international law to the use
    of lethal force in a foreign country against U.S. citizens in certain
    circumstances, and discussion regarding interagency deliberations
    concerning the same” and invokes Exemption 5.         Apparently, OLC
    expected ACLU to understand “circulating” to mean “attachment.”
    The Government offers no explanation as to why the identical text
    of the DOJ White Paper, not marked “draft,” obtained by Isikoff, was
    not disclosed to ACLU, nor explain the discrepancy between the
    description of document number 60 and the title of the DOJ White
    Paper.
    27
    113 Cong. 57 (Feb. 7, 2013) (“Brennan Hearing”), available at
    http://www.intelligence.senate.gov/130207/transcript.pdf. Holder
    sent a letter to Senator Patrick J. Leahy, Chairman of the Senate
    Judiciary Committee on May 22, 2013 (“Holder Letter”).11      In that
    letter Holder stated, “The United States . . . has specifically
    targeted and killed one U.S. citizen, Anwar al-Aulaqi,” Holder
    Letter at unnumbered second page, and acknowledged that United
    States counterterrorism operations had killed Samir Khan and
    Abdulrahman al-Awlaki, who, he states, were not targeted by the
    United States, see 
    id. He also
    stated, “[T]he Administration has
    demonstrated its commitment to discussing with the Congress and
    the American people the circumstances in which it could lawfully
    use lethal force in a foreign country against a U.S. citizen who
    is a senior operational leader of al-Qa’ida or its associated
    forces, and is actively engaged in planning to kill Americans.”
    
    Id. He also
    stated, “The decision to target Anwar al-Aulaki was
    lawful . . . .” 
    Id. at fourth
    unnumbered page.       President Obama
    delivered an address at the National Defense University on May
    11
    The Holder Letter is available at http://www.justice.gov/ag/AG-
    letter-5-22-13.pdf.
    28
    23, 2013.12     In that address, the President listed al-Awlaki’s
    terrorist activities and acknowledged that he had “authorized the
    strike that took him out.”
    Discussion
    I. FOIA Standards.
    FOIA calls for “broad disclosure of Government records.” CIA
    v. Sims, 
    471 U.S. 159
    , 166 (1985).         The disclosure obligation is
    subject to several exemptions.           However, “consistent with the
    Act’s    goal    of   broad   disclosure,       these     exemptions    have
    consistently been given a narrow compass.” Dep’t of Interior v.
    Klamath Water Users Protective Ass’n, 
    532 U.S. 1
    , 8 (2001)
    (internal quotation marks omitted).            Exemptions 1 (classified
    documents), 3 (documents protected by statute), and 5 (privileged
    documents), outlined above, have been invoked in this litigation.
    “The agency asserting the exemption bears the burden of proof,
    and all doubts as to the applicability of the exemption must be
    resolved in favor of disclosure.” 
    Wilner, 592 F.3d at 69
    .                   To
    meet its burden of proof, the agency can submit “[a]ffidavits or
    12
    The President’s       address    is   available    via   a   link   at
    http://wh.gov/hrTq.
    29
    declarations giving reasonably detailed explanations why any
    withheld documents fall within an exemption.”   ACLU v. Dep’t of
    Justice, 
    681 F.3d 61
    , 69 (2d Cir. 2012) (internal quotation marks
    omitted).
    We review de novo a district court’s grant of summary
    judgment in FOIA litigation. See 
    Wilner, 592 F.3d at 69
    .     When
    an agency claims that a document is exempt from disclosure, we
    review that determination and justification de novo. See 
    id. When the
    claimed exemptions involve classified documents in the
    national security context, the Court must give “substantial
    weight to an agency's affidavit concerning the details of the
    classified status of the disputed record.”   
    ACLU, 681 F.3d at 69
    (emphasis in original) (internal quotation marks omitted).
    II. Appellants’ Claims
    Narrowing the scope of the Shane request (OLC opinions that
    address the legal status of targeted killings) and the Savage
    request (OLC memoranda analyzing the circumstances under which
    it would be lawful to kill a United States citizen who is deemed
    to be a terrorist), Appellant N.Y. Times presses on appeal its
    30
    request to OLC for disclosure of the OLC-DOD memorandum.    N.Y.
    Times also requests a Vaughn index of all withheld documents,
    instead of the no number, no list and Glomar responses it has
    received. See Br. for N.Y. Times at 51-52. ACLU seeks disclosure
    of the OLC-DOD memorandum; what it refers to as “the Unclassified
    Memos,” Br. for ACLU at 50, 61, which are documents nos. 9 and
    10 on DOD’s Vaughn index, see Dist. Ct. 
    Op., 915 F. Supp. 2d at 545
    ; and “certain OLC memoranda that the agencies have not
    addressed in this litigation but whose existence they have
    officially acknowledged in public statements,” Br. for ACLU at
    50.    ACLU also requests Vaughn indices and asks that OIP be
    required “to renew its search for responsive documents.” Br. for
    ACLU at 61.
    III. The OLC-DOD Memorandum
    The OLC-DOD Memorandum, as described by OLC, is an “OLC
    opinion pertaining to the Department of Defense marked classified
    . . .[t]hat . . . contains confidential legal advice to the
    Attorney General, for his use in interagency deliberations,
    regarding a potential military operation in a foreign country.”
    31
    Bies Decl. ¶ 30.
    OLC      withheld     the   OLC-DOD      Memorandum    as   protected     from
    disclosure by Exemption 5 “because it is protected                        by    the
    deliberative process and attorney-client privileges.” 
    Id. DOD withheld
    the document under Exemptions 1 and 5 “because the
    content of the document contains information about military
    operations, intelligence sources and methods, foreign government
    information, foreign relations, and foreign activities.” Neller
    Decl.     ¶   17.        General   Neller      stated   that     the   classified
    information         in   the   OLC-DOD     Memorandum      “is   not   reasonably
    segregable.” 
    Id. In upholding
    the application of Exemption 1 to the OLC-DOD
    Memorandum, the District Court first ruled that the affidavits
    supplied      by    senior     Government      officials    demonstrated       that
    classification had been properly made. See Dist. Ct. Op., 915 F.
    Supp. 2d at 535.          The Court then ruled that legal analysis may
    be classified, citing three district court opinions.13                   See 
    id. 13 New
    York Times Co. v. U.S. Dep’t of Justice, 
    872 F. Supp. 2d 309
    , 312-13, 317-18 (S.D.N.Y. 2012), ACLU v. Office of the Director of
    National Intelligence, No. 10 Civ. 4419, 
    2011 WL 5563520
    , at *8
    (S.D.N.Y. Nov. 15, 2011), and Center for International Environmental
    32
    After pointing out that Exemption 1 applies to documents properly
    classified pursuant to an Executive Order and that Executive
    Order No. 13526 “applies to any information that ‘pertains to’
    military plans or intelligence activities (including covert
    action), sources or methods,” 
    id., the Court
    stated, “I see no
    reason why legal analysis cannot be classified pursuant to E.O.
    13526 if it pertains to matters that are themselves classified,”
    
    id. In considering
    the application of Exemption 5 to the OLC-DOD
    Memorandum, the District Court noted the Government’s claim that
    both the deliberative process and attorney-client privileges
    protected the document, and observed that N.Y. Times did not
    disagree that the document might at one time have been withheld
    under both privileges. See 
    id. at 544.
    After determining that Exemptions 1 and 5 applied to the
    OLC-DOD   Memorandum,   the   Court    considered   and   rejected   the
    Plaintiffs’ claims that the Government had waived application of
    these exemptions.    With respect to waiver of Exemption 1, the
    Law v. Office of the U.S. Trade Representative, 
    505 F. Supp. 2d 150
    ,
    154 (D.D.C. 2007).
    33
    Court stated that waiver occurs only where the government has
    “officially” disclosed the information sought, Dist. Ct. 
    Op., 915 F. Supp. 2d at 536
    (citing Halpern v. FBI, 
    181 F.3d 279
    , 294 (2d
    Cir.    1989)),   and   that    official     disclosure   of    classified
    information occurs only if the classified information is “‘as
    specific as the information previously released,’” “‘match[es]
    the information previously disclosed,’” and was “‘made public
    through an official and documented disclosure,’” 
    id. (quoting Wilson
    , 586 F.3d at 186).          The District Court ruled that no
    official disclosure had been made concerning documents containing
    operational details of targeted killings, sought by ACLU, see
    
    id., and that
    none of the public pronouncements cited by the
    Plaintiffs “reveals the necessary detailed legal analysis that
    supports the Administration’s conclusion that targeted killing,
    whether    of   citizens   or   otherwise,    is   lawful,”    
    id. at 538
    (footnote omitted).
    With respect to waiver of Exemption 5, the District Court
    ruled that the deliberative process privilege had not been waived
    because “there is no evidence that the Government continually
    34
    relied    upon   and   repeated    in   public   the    arguments    made
    specifically in the OLC-DOD Memo,” 
    id. at 549
    (emphasis in
    original) (internal quotation marks omitted), and that “it is
    sheer speculation that this particular OLC memorandum . . .
    contains the legal analysis that justifies the Executive Branch’s
    conclusion that it is legal in certain circumstances to target
    suspected terrorists, including United States citizens, for
    killing away from a ‘hot’ field of battle,” 
    id. The Court
    saw
    no need to consider the plaintiffs’ claim of waiver in the
    context of the attorney-client privilege because the deliberative
    process   privilege    protected    the   OLC-DOD      Memorandum   under
    Exemption 5. See 
    id. We agree
    with the District Court’s conclusions that the OLC-
    DOD Memorandum was properly classified and that no waiver of any
    operational details in that document has occurred.          With respect
    to the document’s legal analysis, we conclude that waiver of
    Exemptions 1 and 5 has occurred.14      “Voluntary disclosures of all
    14
    We therefore need not consider the Appellants’ claim that the
    legal analysis in the OLC-DOD Memorandum was not subject to
    classification.
    35
    or   part   of   a   document   may   waive   an   otherwise   valid   FOIA
    exemption,” Dow Jones & Co. v. U.S. Dep’t of Justice, 880 F.
    Supp. 145, 150-51 (S.D.N.Y. 1995) (citing Mobil Oil Corp. v.
    E.P.A., 
    879 F.2d 698
    , 700 (9th Cir. 1989)), vacated in part on
    other grounds, 
    907 F. Supp. 79
    (S.D.N.Y. 1995), and the attorney-
    client and deliberative privileges, in the context of Exemption
    5, may be lost by disclosure, see Brennan Center for Justice v.
    U.S. Dep’t of Justice, 
    697 F.3d 184
    , 208 (2d Cir. 2012).
    (a) Loss of Exemption 5.         Exemption 5 “‘properly construed,
    calls for disclosure of all opinions and interpretations which
    embody the agency’s effective law and policy, and the withholding
    of all papers which reflect the agency's group thinking in the
    process of working out its policy and determining what its law
    shall be.’” 
    Id. at 196
    (quoting NLRB v. Sears, Roebuck & Co., 
    421 U.S. 132
    , 153 (1975)).      At the same time, we recognize that “the
    law extends the privilege to legal advice given by a lawyer to
    his client [because] statements by the lawyer often reveal –
    expressly or by necessary implication –             assumptions of fact
    based on statements by the client,” George A. Davidson & William
    36
    H. Voth, Waiver of the Attorney-Client Privilege, 64 Oregon L.
    Rev. 637, 650 (1986).
    In considering waiver of the legal analysis in the OLC-DOD
    Memorandum, we note initially the numerous statements of senior
    Government      officials      discussing    the   lawfulness       of    targeted
    killing    of   suspected      terrorists,       which    the    District    Court
    characterized as “an extensive public relations campaign to
    convince the public that [the Administration’s] conclusions
    [about the lawfulness of the killing of al-Awlaki] are correct.”
    Dist. Ct. 
    Op., 915 F. Supp. 2d at 524
    .                   In a March 25, 2010,
    speech    at    the   annual    meeting     of   the     American       Society   of
    International Law in Washington, D.C., then-Legal Adviser of the
    State    Department     Harold     Hongju    Koh    said,       “U.S.    targeting
    practices, including lethal operations conducted with the use of
    unmanned    aerial     vehicles,    comply       with    all    applicable    law,
    including the laws of war.” JA 113, 124.                In a February 22, 2012,
    speech at the Yale Law School, Jeh Johnson, then-General Counsel
    of DOD, “summarize[d] . . . some of the basic legal principles
    that form the basis for the U.S. military’s counterterrorism
    37
    efforts against Al Qaeda and its associated forces,” JA 399, and
    referring explicitly to “targeted killing,” said, “In an armed
    conflict, lethal force against known, individual members of the
    enemy is a long-standing and long-legal practice,” JA 402.
    In a March 5, 2012, speech at Northwestern University,
    Attorney General Holder said, “[I]t is entirely lawful – under
    both United States law and applicable law of war principles – to
    target specific senior operational leaders of al Qaeda and
    associated forces.” JA 449. He discussed the relevance of the Due
    Process Clause, 
    id., and maintained
    that killing a senior al
    Qaeda leader would be lawful at least in circumstances where
    [f]irst, the U.S. government has determined, after a
    thorough and careful review, that the individual poses
    an imminent threat of violent attack against the United
    States; second, capture is not feasible; and third, the
    operation would be conducted in a manner consistent
    with applicable law of war principles.
    JA 450.   Amplifying this last point, he stated that “use of
    lethal force by the United States will comply with the four
    fundamental law of war principles governing the use of force:
    . . . necessity[,] . . . distinction[,] . . . proportionality[,]
    . . . [and] humanity.” 
    Id. As the
    District Court noted, “The
    38
    Northwestern Speech [by the Attorney General] discussed the legal
    considerations that the Executive Branch takes into consideration
    before targeting a suspected terrorist for killing” and “the
    speech constitutes a sort of road map of the decision-making
    process that the Government goes through before deciding to
    ‘terminate’ someone ‘with extreme prejudice.’” Dist. Ct. 
    Op., 915 F. Supp. 2d at 537
    .
    In an April 30, 2012, speech at the Wilson Center in
    Washington D.C., John O. Brennan, then-Assistant to the President
    for Homeland Security and Counterterrorism, said, “Yes, in full
    accordance with the law, and in order to prevent terrorist
    attacks on the United States and to save American lives, the
    United States Government conducts drone strikes against specific
    al-Qaida terrorists, sometimes using remotely piloted aircraft,
    often referred to publicly as drones.” JA 95.          On Feb. 7, 2013,
    Brennan, testifying on his nomination to be director of CIA,
    said, “The Office of Legal Counsel advice establishes the legal
    boundaries within which we can operate.” Brennan Hearing at 57.
    Even   if   these   statements    assuring   the    public   of   the
    39
    lawfulness of targeted killings are not themselves sufficiently
    detailed to establish waiver of the secrecy of the legal analysis
    in the OLC-DOD Memorandum, they establish the context in which
    the most revealing document, disclosed after the District Court’s
    decision, should be evaluated.        That document is the DOJ White
    Paper, officially released on Feb. 4, 2013. See note 9, above.
    Before considering the relevance of the DOJ White Paper to the
    Government’s claim to continued secrecy and privilege of the
    legal analysis in the OLC-DOD Memorandum, we describe that
    Memorandum, which we have examined in camera, in some detail.
    The OLC-DOD Memorandum is a 41-page classified document,
    dated July 16, 2010, captioned:
    MEMORANDUM FOR THE ATTORNEY GENERAL
    Re: Applicability of Federal Criminal Laws and the
    Constitution to
    Contemplated Lethal Operations Against Shykh Anwar al-Aulaki15
    It was prepared on the letterhead of OLC and signed by David J.
    Barron, Acting Assistant Attorney General.
    The   OLC-DOD   Memorandum   has    several   parts.   After   two
    15
    We have deleted classification codes from the caption and
    throughout the document.
    40
    introductory paragraphs, Part I(A) reports intelligence that OLC
    has received concerning the relationship between Al-Qaida in the
    Arabian Peninsula (“AQAP”) and al-Qaida, the organization and
    operation of AQAP, and the role al-Awlaki performs with AQAP.
    Parts I(B) and I(C) describe the manner in which government
    agencies would perform the targeted killing of al-Awlaki.                   Part
    II(A) considers Title 18 U.S.C. § 1119 (2013), entitled “Foreign
    murder of United States nationals” and explains why section 1119
    does not proscribe killings covered by a traditionally recognized
    justification. Part II(B) explains why section 1119 incorporates
    one such justification, the public authority justification. Part
    III(A)     explains       why   the   public    authority      justification
    encompasses DOD’s role in the contemplated targeted killing, and
    Part III(B) explains why that justification encompasses another
    agency’s    role     in   the   killing.    Part      IV   explains   why   the
    contemplated killing would not violate 18 U.S.C. § 956(a) (2013),
    entitled “Conspiracy to kill, maim, or injure persons or damage
    property    in   a   foreign    country.”      Part    V   explains   why    the
    contemplated killing would not violate 18 U.S.C. § 2441 (2013),
    41
    entitled “War crimes.”       Part VI explains why the contemplated
    killing would not violate the Fourth or Fifth Amendments of the
    Constitution.
    The     16-page,   single-spaced   DOJ      White   Paper   virtually
    parallels    the   OLC-DOD   Memorandum    in    its    analysis   of   the
    lawfulness of targeted killings.       Like the Memorandum, the DOJ
    White Paper explains why targeted killings do not violate 18
    U.S.C. §§ 1119 or 2441, or the Fourth and Fifth Amendments to the
    Constitution, and includes an analysis of why section 1119
    encompasses the public authority justification.           Even though the
    DOJ White Paper does not discuss 18 U.S.C. § 956(a), which the
    OLC-DOD Memorandum considers, the substantial overlap in the
    legal analyses in the two documents fully establishes that the
    Government may no longer validly claim that the legal analysis
    in the Memorandum is a secret.            After the District Court’s
    decision, Attorney General Holder publicly acknowledged the close
    relationship between the DOJ White Paper and previous OLC advice
    on March 6, 2013, when he said at a hearing of the Senate
    Committee on the Judiciary that the DOJ White Paper’s discussion
    42
    of imminence of threatened action would be “more clear if it is
    read in conjunction with the underlying OLC advice.”16 Oversight
    of the U.S. Department of Justice Before the Senate Committee on
    the Judiciary, 113th Cong. (Mar. 6, 2013).
    After senior Government officials have assured the public
    that        targeted    killings   are    “lawful”    and    that   OLC   advice
    “establishes the legal boundaries within which we can operate,”
    and the Government makes public a detailed analysis of nearly all
    the legal reasoning contained in the OLC-DOD Memorandum, waiver
    of   secrecy      and    privilege   as   to   the   legal   analysis     in   the
    Memorandum has occurred.
    The recent opinion of the District Court for the Northern
    District of California, First Amendment Coalition v. U.S. Dep’t
    of Justice, No. 4:12-cv-01013-CW (N.D. Cal. April 11, 2014),
    denying an FOIA request for the OLC-DOD Memorandum, is readily
    distinguishable because the Court, being under the impression
    that “there has been no ‘official disclosure’ of the White
    Paper,” 
    id., slip op.
    at 24, did not assess its significance,
    16
    The statement was made in a response to a question from Senator
    Mike Lee. A webcast of the hearing is available via a link at
    http://www.judiciary.senate.gov/hearings/hearing.cfm?id=e0c4315749c1
    0b084028087a4aa80a73, at 1:51:30.
    43
    whereas in our case, the Government has conceded that the White
    Paper, with its detailed analysis of legal reasoning, has in fact
    been officially disclosed, see footnote 
    10, supra
    .
    In resisting disclosure of the OLC-DOD Memorandum, the
    Government contends that making public the legal reasoning in the
    document will inhibit agencies throughout the Government from
    seeking OLC’s legal advice.        The argument proves too much.         If
    this contention were upheld, waiver of privileges protecting
    legal advice could never occur. In La Raza, we explained that
    “[l]ike the deliberative process privilege, the attorney-client
    privilege may not be invoked to protect a document adopted as,
    or incorporated by reference into, an agency’s 
    policy.” 411 F.3d at 360
    .   Here, the Government has done so by publicly asserting
    that OLC advice “establishes the legal boundaries within which
    we can operate”; it “cannot invoke that relied-upon authority and
    then shield it from public view.”          Brennan 
    Center, 697 F.3d at 207-08
    .     Agencies     seeking    OLC     legal     advice    are   surely
    sophisticated   enough    to   know      that    in   these    circumstances
    attorney/client and deliberative process privileges can be waived
    and the advice publicly disclosed.              We need not fear that OLC
    44
    will lack for clients.
    The   Government        also    argues      that   because     the    OLC-DOD
    Memorandum    refers       to     earlier     OLC   documents      that    remain
    classified, those assessing the legal reasoning in the OLC-DOD
    Memorandum    might    find       the   reasoning      deficient    without    an
    opportunity    to    see    the    previous     documents.         However,   the
    reasoning in the OLC-DOD Memorandum is rather elaborate, and
    readers should have no difficulty assessing the reasoning on its
    own terms.    Moreover, the Government had no similar concern when
    it released the DOJ White Paper, the reasoning of which cannot
    be properly assessed, on the Government’s argument, without
    seeing the OLC-DOD Memorandum.               Finally, the Government always
    has the option of disclosing redacted versions of previous OLC
    advice.
    The loss of protection for the legal analysis in the OLC-DOD
    Memorandum does not mean, however, that the entire document must
    be disclosed.       FOIA provides that “[a]ny reasonably segregable
    portion of a record shall be provided to any person requesting
    such record after deletion of the portions which are exempt under
    45
    this subsection.” 5 U.S.C. § 552b.       The Government’s waiver
    applies only to the portions of the OLC-DOD Memorandum that
    explain legal reasoning.   These are Parts II, III, IV, V, and VI
    of the document, and only these portions will be disclosed. Even
    within those portions of the document, there are matters that the
    Government contends should remain secret for reasons set forth
    in the Government’s classified ex parte submission, which we have
    reviewed in camera.
    One of those reasons concerns [redacted] the Government
    persuasively argues warrants continued secrecy. [redacted]      We
    will redact all references to that [redacted].17
    Two arguments concern facts mentioned within the legal
    reasoning portions of the OLC-DOD Memorandum that no longer merit
    secrecy.   One is the identity of the country in which al-Awlaki
    was killed.   However, numerous statements by senior Government
    officials identify that country as Yemen. On September 30, 2011,
    DOD released a transcript reporting then-Secretary of Defense
    Panetta stating, “[W]e’ve been working with the Yemenis over a
    17
    The redactions made in this paragraph implement section 2(a)
    of our order of May 28, 2014.
    46
    long period of time to be able to target Awlaki, and I want to
    congratulate    them     on     their        efforts,   their    intelligence
    assistance, their operational assistance to get the job done.”
    JA 799.   On October 25, 2011, President Obama, appearing on a
    network television program, said, referring to al-Awlaki, “[I]t
    was important that, working with the [Yemenis,]18 we were able to
    remove him from the field.” Transcript of “The Tonight Show with
    Jay Leno (Oct. 25, 2011). JA 556.                On the day al-Awlaki was
    killed, September 3, 2011, DOD’s Armed Forces Press Service
    reported, “A U.S. airstrike that killed Yemeni-based terrorist
    Anwar al-Awlaki early this morning is a testament to the close
    cooperation    between    the    United        States   and   Yemen,   Defense
    Secretary Leon E. Panetta said today.” JA 651.                     The report
    continued, “Obama and Panetta congratulated the Yemenis on their
    intelligence   and     operational      assistance      in    targeting   [al-]
    Awlaki.” 
    Id. It is
    no secret that al-Awlaki was killed in Yemen.
    However, the OLC-DOD Memorandum contains some references to the
    Yemeni government that are entitled to secrecy and will be
    18
    The Tonight Show transcript erroneously rendered this word
    “enemies,” an error the Government acknowledged at oral argument.
    47
    redacted.
    The other fact within the legal reasoning portion of the
    OLC-DOD Memorandum that the Government contends merits secrecy
    is the identity of the agency, in addition to DOD, that had an
    operational role in the drone strike that killed al-Awlaki. Both
    facts were deleted from the April 21 public opinion, but have
    been restored in this opinion.                Apparently not disputing that
    this fact has been common knowledge for some time, the Government
    asserts the importance of concealing any official recognition of
    the agency’s identity.           The argument comes too late.
    A     March   18,   2010,    Wall    Street   Journal    article   quotes
    Panetta, then CIA Director:
    “Anytime we get a high value target that is in the top
    leadership of al Qaeda, it seriously disrupts their
    operations,” Mr. Panetta said. “It sent two important
    signals,” Mr. Panetta said. “No. 1 that we are not
    going to hesitate to go after them wherever they try to
    hide, and No. 2 that we are continuing to target their
    leadership.”
    “Drone Kills Suspect in CIA Suicide Bombing,” The Wall Street
    Journal (Mar. 18, 2010).          Although the reference to “we” is not
    unequivocally to CIA and might arguably be taken as a reference
    to   the    Government    generally,      any    doubt   on   this   score   was
    eliminated three months later.
    48
    In a June 27, 2010, interview with Jake Tapper of ABC News,
    Panetta said:
    [W]e are engaged in the most aggressive operations in
    the history of the CIA in that part of the world, and
    the result is that we are disrupting their leadership.
    We’ve taken down more than half of their Taliban
    leadership, of their Al Qaida leadership. We just took
    down number three in their leadership a few weeks ago.
    . . .
    Awlaki is a terrorist and yes, he’s a United States
    citizen, but he is first and foremost a terrorist and
    we’re going to treat him like a terrorist. We don’t
    have an assassination list, but I can tell you this.
    We have a terrorist list and he’s on it.
    Tr.      of     This    Week     telecast,      available      at
    http://abcnews.go.com/ThisWeek/week-transcript-
    panetta/story?id=11025299&singlePage=true.
    On October 7, 2011, Panetta, then Secretary of Defense, was
    quoted as saying in a speech to sailors and Marines at the United
    States Navy’s 6th Fleet headquarters in Naples, “Having moved
    from the CIA to the Pentagon, obviously I have a hell of a lot
    more weapons available to me in this job than I had at the CIA,
    although the Predators aren’t bad.” “U.S.: Defense secretary
    refers to CIA drone use,” Los Angeles Times (Oct. 7, 2011).
    On January 29, 2012, the following occurred when Secretary
    of Defense Panetta was interviewed by Scott Pelley on the CBS
    49
    television program “60 Minutes”:
    Asked,    “You         killed     al-Awlaki?”        Panetta        “nodded
    affirmatively,” as described by the District Court, see Dist. Ct.
    
    Op., 915 F. Supp. 2d at 530
    .          Then, when asked about identifying
    for   killing   a   person     who    has    been   identified     as   an    enemy
    combatant, Panetta says, “It’s a recommendation we make, it’s a
    recommendation the CIA director makes in my prior role . . . the
    President of the United States has to sign off.” Web Extra
    p r e s e n t a t i o n ,                     a v a i l a b l e                a t
    http://www.cbsnews.com/video/watch/?id=7396830n, at 0:01, 2:30.
    CIA’s former director has publicly acknowledged CIA’s role in the
    killing of al-Awlaki.
    On February 7, 2014, Rep. Mike Rogers, chairman of the House
    Select Committee on Intelligence, disclosed that his committee
    has overseen the CIA’s targeted-killing strikes since “even
    before they conducted that first air strike that took Awlaki.”
    Transcript,     Face    the    Nation,       CBS    News   (Feb.    10,      2013),
    http://cbsn.ws/ZgB9R.
    On   February    11,    2014,    the    following    exchange       occurred
    between Senator Bill Nelson and James R. Clapper, Director of
    National Intelligence, at a hearing of the Senate Armed Services
    Committee:
    50
    Senator NELSON.  It is – you tell me if this is
    correct – the administration’s policy that they are
    exploring shifting the use of drones, unmanned aerial
    vehicle strikes, from the CIA to the DOD. Is that an
    accurate statement?
    Mr. CLAPPER.    Yes, sir. it is.
    Testimony on Current and Future Worldwide Threats to the National
    Security of the United States, Hearing Before the Senate Armed
    Services     Comm.,      113th   Cong.    37   (2014),   available   at
    http://www.armed-services.senate.gov/imo/media/doc.14-07%20-%202-
    11-14.pdf.     It is no secret that CIA has a role in the use of
    drones.
    (b) Loss of Exemption 1.            Much of the above discussion
    concerning loss of Exemption 5 is applicable to loss of Exemption
    1.   As the District of Columbia Circuit has noted, “Ultimately,
    an agency’s justification for invoking a FOIA exemption is
    sufficient if it appears ‘logical’ or ‘plausible.’” Wolf v. CIA,
    
    473 F.3d 370
    , 374-75 (D.C. Cir. 2007) (quoting Gardels v. CIA,
    
    689 F.2d 1100
    , 1105 (D.C. Cir. 1982)). But Gardels made it clear
    that the justification must be “logical” and “plausible” “in
    protecting our intelligence sources and methods from foreign
    
    discovery.” 689 F.2d at 1105
    .
    51
    The District Court noted the Government’s contention that
    “‘[i]t is entirely logical and plausible that the legal opinion
    contains information pertaining to military plans, intelligence
    activities, sources and methods, and foreign relations.’ (Gov’t
    Memo. in Opp’n/Reply 6).” Dist. Ct. 
    Op., 915 F. Supp. 2d at 540
    .
    But the Court then astutely observed, “[T]hat begs the question.
    In   fact, legal analysis is not an ‘intelligence source or
    method.’” 
    Id. We recognize
    that in some circumstances the very fact that
    legal analysis was given concerning a planned operation would
    risk disclosure of the likelihood of that operation, but that is
    not the situation here where drone strikes and targeted killings
    have been publicly acknowledged at the highest levels of the
    Government.   We also recognize that in some circumstances legal
    analysis   could   be   so   intertwined   with   facts   entitled   to
    protection that disclosure of the analysis would disclose such
    facts. Aware of that possibility, we have redacted, as explained
    above, the entire section of the OLC-DOD Memorandum that includes
    any mention of intelligence gathering activities. The only other
    52
    facts mentioned in the pure legal analysis portions of the OLC-
    DOD Memorandum – the identification of the country where the
    drone strike occurred and CIA’s role – have both already been
    disclosed, also as explained above.            With respect to disclosure
    of CIA’s role, we can be confident that neither Senator Dianne
    Feinstein,    Chairman    of    the        Senate   Select   Committee     on
    Intelligence, nor Representative Mike Rogers, Chairman of the
    House    Select   Committee    on   Intelligence,      thought   they    were
    revealing a secret when they publicly discussed CIA’s role in
    targeted killings by drone strikes.19
    The three-part test for “official” disclosure, relevant to
    19
    Although “the law will not infer official disclosure of
    information classified by the CIA from . . . release of
    information by another agency, or even by Congress,” 
    Wilson, 586 F.3d at 186
    -87, these members of Congress have made public
    statements on this matter. Senator Feinstein has praised CIA for
    conducting drone strikes with less collateral damage than strikes
    conducted by the military. See “Senator Dianne Feinstein on
    Drones, Assault Weapons Ban,” The Takeaway (Mar. 20, 2013),
    available at http:www.thetakeaway.org/story/276926-sen-dianne-
    feinstein-drones-assault-weapons-ban/, at 2:00. Representative
    Rogers told CBS that his committee has overseen CIA’s targeted
    killing strikes “even before they conducted that first strike
    that took [al-]Awlaki.” Transcript, Face the Nation, CBS News
    (Feb. 10, 2013), available at http://www.cbsnews.com/news/face-
    the-nation-transcripts-february-10-2013-graham-reed-and-
    rogers/4/.
    53
    Exemption 1, which the District Court took from 
    Wilson, 586 F.3d at 536
    , has been sufficiently satisfied.      The legal analysis in
    the OLC-DOD Memorandum is “‘as specific as the information
    previously released’” in the DOJ White Paper, it “‘match[es] the
    information previously disclosed,’” and was “‘made public through
    an official and documented disclosure.’” Dist. Ct. 
    Op., 915 F.3d at 536
    (quoting 
    Wilson, 586 F.3d at 186
    ).          In reaching this
    conclusion, we do not understand the “matching” aspect of the
    Wilson    test to require absolute identity.        Indeed, such a
    requirement would make little sense. A FOIA requester would have
    little need for undisclosed information if it had to match
    precisely information previously disclosed.20
    20
    Although we conclude that the three-part test of Wilson has
    been satisfied, and Wilson remains the law of this Circuit, we note
    that a rigid application of it may not be warranted in view of its
    questionable provenance. Wilson took the test from Wolf v. CIA, 
    473 F.3d 370
    , 378 (D.C. Cir. 2007), which took the test from Fitzgibbon v.
    CIA, 
    911 F.2d 755
    , 765 (D.C. Cir. 1990). Fitzgibbon purported to find
    the test in Afshar v. Dep’t of State, 
    702 F.2d 1125
    , 1133 (D.C. Cir.
    1983). The issue in Afshar was whether several books submitted to CIA
    for clearance contained official disclosure of details of CIA’s
    relationship with SAVAK, Iran’s intelligence service prior to 1979 and
    the existence of a CIA station in Tehran prior to 1979.         Afshar
    rejected the claim of official disclosure for three reasons: (1) none
    of the books revealed a continuing relationship between CIA and SAVAK
    after 1963, the date of the earliest withheld document; (2) the books
    provided only a general outline of such a relationship; and (3) none
    54
    With the redactions and public disclosures discussed above,
    it is no longer either “logical” or “plausible” to maintain that
    disclosure of the legal analysis in the OLC-DOD Memorandum risks
    disclosing    any   aspect   of   “military    plans,   intelligence
    activities, sources and methods, and foreign relations.”          The
    release of the DOJ White Paper, discussing why the targeted
    killing of al-Awlaki would not violate several statutes, makes
    this clear.   The additional discussion of 18 U.S.C. § 956(a) in
    the OLC-DOD Memorandum adds nothing to the risk.             Whatever
    of the books was an official and documented disclosure. The second
    reason was supported by a citation to Lamont v. Dep’t of Justice, 
    475 F. Supp. 761
    , 772 (S.D.N.Y. 1979), with a parenthetical stating that
    the withheld information must have “already been specifically revealed
    to the public” (emphasis in Afshar). Lamont did not assert specific
    revelation as a requirement for disclosure; it observed that the
    plaintiff had raised a factual issue as to whether the information
    sought had been specifically revealed. More important, Afshar, the
    ultimate source of the three-part test, does not mention a requirement
    that the information sought “match[es] the information previously
    disclosed.”
    Wilson also cited Hudson River Sloop Clearwater, Inc. v. Dep’t of
    the Navy, 
    891 F.2d 414
    (2d Cir. 1989).         Clearwater also cited
    Fitzgibbon and Afshar and drew from those opinions more rigidity than
    was warranted. The issue in Clearwater was simply whether the Navy
    had previously disclosed, as the plaintiff claimed, that it was
    planning to deploy nuclear weapons at the New York Harbor Homeport.
    The Court rejected the claim, pointing out that the Navy had said only
    that the ships to be stationed at the Homeport were capable of
    carrying nuclear weapons. See 
    id. at 421.
    55
    protection the legal analysis might once have had has been lost
    by virtue of public statements of public officials at the highest
    levels and official disclosure of the DOJ White Paper.
    IV. Legal Analysis in Other Withheld Documents21
    In addition to seeking at least the legal analysis in the
    OLC-DOD Memorandum, ACLU also seeks disclosure of the legal
    analysis in documents numbered 9 and 10 on DOD’s unclassified
    Vaughn index and in other OLC legal memoranda the existence of
    which ACLU contends have been officially acknowledged in public
    statements. See Br. for ACLU at 50.     ACLU contends that Senator
    Feinstein said at the confirmation hearing of Brennan to be CIA
    director that there are eleven such memoranda, see 
    id. at 50
    n.25, of which four were provided to the Senate Select Committee
    on Intelligence, see 
    id. at 24
    & n.9.
    21
    Other than the legal analysis in the documents considered in
    this section, it is unclear whether the Appellants are seeking on
    appeal any other withheld documents. See, e.g., Br. for ACLU at 50
    (“Plaintiffs do not challenge the bulk of those withholdings.”). In
    any event, except as to the OLC-DOD Memorandum discussed in Section
    III, above, the documents discussed in this Section IV, and the
    indices discussed in Section V, below, on the current record, we
    affirm the District Court’s decision to withhold all other documents
    sought. After the Government submits its classified Vaughn indices on
    remand, the District Court may, as appropriate, order the release of
    any documents that are not properly withheld.
    56
    Documents numbered 9 and 10 are DOD legal memoranda, which
    were    made    available         to   this     Court      ex    parte    for    in    camera
    inspection.         As to these documents, we agree with the District
    Court    that       the   declaration          of   Richard       C.    Gross,   Brigadier
    General, United States Army, JA 863, adequately supports the
    application of Exemption 5. See Dist. Ct. Supp. Op., 
    2013 WL 238928
    , at *1.             As General Gross pointed out, these brief
    documents (two and four pages respectively) are informal and
    predecisional.            One does not even identify the sender or the
    receiver. They mention legal authorities, but in no way resemble
    the detailed, polished legal analysis in the disclosed DOJ White
    Paper.         At    most,    they       are    “part      of    a     process   by        which
    governmental decisions and policies are formulated, [or] the
    personal opinions of the writer prior to the agency’s adoption
    of a policy.” Public Citizen, Inc. v. Office of Management and
    Budget,    
    598 F.3d 865
    , 875 (D.C. Cir. 2010) (alteration in
    original) (internal quotation marks omitted). See also Judicial
    Watch,    Inc.       v.    FDA,    
    449 F.3d 141
    ,       151    (D.C.    Cir.       2006)
    (protecting          as    deliberative             “the    give-and-take             of    the
    consultative process”) (internal quotation marks omitted).                                    No
    waiver of Exemption 5 has occurred with respect to these two
    documents.
    57
    The other OLC legal memoranda have not been submitted to
    this Court for in camera inspection, and we are therefore unable
    to adjudicate the waiver issue as to these memoranda, nor
    determine,    if   waiver    has    occurred,   what   portions       of   these
    documents must be redacted.          It is possible that waiver of any
    claimed privileges applies to the legal reasoning in these
    documents    for   the   same      reasons   applicable    to   the    OLC-DOD
    Memorandum.    On remand, these memoranda must be produced to the
    District Court for in camera examination and determination of
    waiver and appropriate redaction, in light of our rulings with
    respect to disclosure and redaction of the legal reasoning in the
    OLC-DOD Memorandum.
    V. Glomar and No Number, No List Responses
    As set forth above, OLC, DOD, and CIA submitted either
    Glomar or no number, no list responses to the N.Y. Times and ACLU
    requests, in addition to Vaughn indices.           For clarification, we
    set forth in the margin a chart showing the revised responses of
    the three agencies.22       An agency may withhold information on the
    22
    OLC:                        DOD:                    CIA:
    58
    number   of    responsive       documents    and     a    description     of   their
    contents if those facts are protected from disclosure by a FOIA
    exemption.         See 
    Wilner, 592 F.3d at 67-69
    ; Hayden v. National
    Security Agency, 
    608 F.2d 1381
    , 1384 (D.C. Cir. 1979).                    However,
    we agree with the D.C. Circuit that “[s]uch a response would only
    be justified in unusual circumstances, and only by a particularly
    persuasive affidavit.” 
    ACLU, 710 F.3d at 433
    .
    The Government’s core argument to justify the Glomar and no
    number, no list responses, as it was with the effort to withhold
    the OLC-DOD Memorandum, is that identification of any document
    that provides legal advice to one or more agencies on the
    legality      of    targeted    killings     “would      tend   to   disclose    the
    identity of the agency or agencies that use targeted lethal force
    against certain terrorists who are U.S. citizens . . . .” Br. for
    Appellees      at    37.   If     one   of   those       agencies    is   CIA,   the
    Government’s argument continues, disclosure of any information
    Glomar to NYTimes;             no number, no list to       Glomar to NYTimes; no
    no number, no list to          Shane, Glomar to            number, no list to
    ACLU as to classified          Savage, except OLC-         ACLU
    documents, except              DOD Memorandum; no
    OLC-DOD Memorandum             number, no list to
    ACLU as to classified
    documents, except
    OLC-DOD Memorandum
    59
    in a Vaughn   index that “would tend to disclose the identity” of
    that agency must be protected because, the Government claims,
    “[T]he government has never disclosed (with the exception of the
    Bin Laden operation) whether the CIA has an operational role in
    the use of targeted lethal force or is authorized to use such
    force.”   
    Id. at 38.
    As was true of waiver of privileges that might originally
    have protected the legal reasoning in the OLC-DOD Memorandum, the
    statements of Panetta when he was Director of CIA and later
    Secretary of Defense, set forth above, have already publicly
    identified CIA as an agency that had an operational role in
    targeted drone killings.23    With CIA identified, the Appellees’
    main argument for the use of Glomar and no number, no list
    responses evaporates.      The Vaughn index submitted by OLC in
    camera must be disclosed, and DOD and CIA must submit classified
    Vaughn indices to the District Court on remand for in camera
    inspection    and   determination    of   appropriate   disclosure   and
    appropriate redaction.
    As was also true of the OLC-DOD Memorandum, however, the
    requirement of disclosing the agencies’ Vaughn indices does not
    23
    For purposes of the issues on this appeal, it makes no
    difference whether the drones were maneuvered by CIA or DOD personnel
    so long as CIA has been disclosed as having some operational role in
    the drone strikes.
    60
    necessarily mean that either the number or the listing of all
    documents on those indices must be disclosed.                The Appellees
    argue persuasively that with respect to documents concerning a
    contemplated military operation, disclosure of the number of such
    documents must remain secret because a large number might alert
    the enemy to the need to increase efforts to defend against
    attacks or to avoid detection and a small number might encourage
    a lessening of such efforts.           Accordingly, all listings after
    number 271 on OLC’s Vaughn index will remain secret. See 
    Wilner, 592 F.3d at 70
    (upholding Glomar response as to identification
    of   documents    that    would   reveal   “details   of    [a]    program’s
    operations and scope”). The descriptions of listing numbers 1-4,
    6,   69,   72,   80-82,   87,   92,   103-04,   244-49,    and    256    reveal
    information entitled to be protected. Listing numbers 10-49, 51-
    56, 84-86, 94, 101, 106-09, 111-12, 114-15, 251, 255, 257-61, and
    266-67 describe email chains (or copies of chains).              Because the
    Plaintiffs informed the District Court that they were not seeking
    these items, see Dist. Ct. 
    Op., 915 F. Supp. 2d at 545
    , these
    listings need not be disclosed.
    No reason appears why the number, title, or description of
    the remaining listed documents needs to be kept secret.                 Listing
    number 5 is the OLC-DOD Memorandum; listing numbers 7-9, 50, 250,
    262-65,    and   269-71    describe    documents    and    attorney       notes
    61
    concerning legal advice; listing numbers 57-68, 70-71, 73-79, 83,
    88-91, 93, 95-100, 102, 105, 110, 113, 116-22, and 144-45 are
    described as including factual information concerning al-Awlaki;
    listing numbers 123-30 are described as unclassified open source
    materials; listing numbers 131-43 and 148-237 are described as
    drafts of the OLC-DOD Memorandum; listing numbers 238-43 are
    described as drafts of other documents; listing numbers 146-47
    are described as drafts of Document 86A, a listing that does not
    appear on the OLC’s Vaughn index; and listing numbers 244, 246,
    248, 252-54, 256, and 268 are described as including [redacted]24.
    Some, perhaps all, of the information in many of these
    documents         might    be       protected   as   classified     intelligence
    information or predecisional.               If the Plaintiffs challenge the
    applicability of a cited exemption, the District Court, after in
    camera inspection, will be able to determine which of these
    documents need to be withheld and which portions of these
    documents        need     to   be    redacted   as   subject   to   one   or   more
    exemptions that have not been waived.                 At this stage, we decide
    only that the number, title, and description of all documents
    listed on OLC’s classified Vaughn index must be disclosed, with
    the exception of listing numbers 1-4, 6, 69, 72, 80-82, 87, 92,
    24
    This redaction implements section 2(a) of our order of May 28,
    2014.
    62
    103-04, 244-49; 10-49, 51-56, 84-86, 94, 101, 106-09, 111-12,
    114-15, 251, 252-54, 255-61, 266-67, 268; and all listings after
    listing number 271.
    Unlike OLC, DOD and CIA did not provide this Court with
    classified Vaughn indices, and we are unable to distinguish among
    listed document numbers, which titles or descriptions merit
    secrecy. We will therefore direct that, upon remand, DOD and CIA
    will provide the District Court with classified Vaughn indices
    listing documents responsive to the Plaintiffs’ requests.          From
    these indices, the District Court, with the guidance provided by
    this opinion, should have little difficulty, after examining
    whatever further affidavits DOD and CIA care to submit to claim
    protection of specific listings, to determine which listings on
    these indices may be disclosed.          See 
    ACLU, 710 F.3d at 432
    (prescribing   a   similar   procedure   after   rejecting   a   Glomar
    response).
    VI. Adequacy of OIP’s Search
    Finally, ACLU argues that OIP did not make an adequate
    search because it did not disclose thirty e-mail chains with
    other   DOJ offices that were found during OLC’s search for
    responsive records.    See Br. for ACLU at 60.      However, as this
    Court has recognized, a search is not inadequate merely because
    63
    it does not identify all responsive records. See Grand Central
    Partnership, Inc. v. Cuomo, 
    166 F.3d 473
    , 489 (2d Cir. 1999).
    The adequacy of a search is not measured by its results, but
    rather by its method. See Weisberg v. U.S. Dep’t of Justice, 
    745 F.2d 1476
    , 1485 (D.C. Cir. 1984).         To show that a search is
    adequate, the agency affidavit “must be relatively detailed and
    nonconclusory,   and   submitted   in   good   faith.”   Grand   Central
    
    Partnership, 166 F.3d at 489
    (internal quotation marks omitted).
    The affidavit submitted by an OIP official, JA 412-419 ¶¶ 7-34,
    easily meets these requirements, and the November 3, 2011, cut-
    off date was reasonable as the date on which the search was
    commenced. See Edmonds Institute v. U.S. Dep’t of Interior, 
    383 F. Supp. 2d 105
    , 110-11 (D.D.C. 2005).
    Conclusion
    For the reasons stated above, we conclude that:
    (1) a redacted version of the OLC-DOD Memorandum
    (attached as Appendix A to this opinion) must be
    disclosed;
    (2) a redacted version of the classified Vaughn
    index submitted by OLC must be disclosed, including
    64
    the number, title, and description of all documents,
    with the exception of listing numbers 1-4, 6, 10-49,
    51-56, 69, 72, 80-82, 84-87, 92, 94, 101, 103-04,
    106-09, 111-12, 114-15, 244-49, 251, 252-54, 255-61,
    266-67, 268; and all listings after listing number
    271;
    (3) other legal memoranda prepared by OLC and at
    issue here must be submitted to the District Court
    for in camera inspection and determination of waiver
    of privileges and appropriate redaction;
    (4) the Glomar and “no number, no list” responses
    are insufficiently justified;
    (5) DOD and CIA must submit Vaughn indices to the
    District   Court    for     in   camera   inspection   and
    determination      of     appropriate     disclosure   and
    appropriate redaction; and
    (6) the OIP search was sufficient.
    We therefore affirm in part, reverse in part, and remand.25
    Appendix A
    25
    Prior to filing, we have made this opinion available to the
    Government in camera to afford an opportunity to advise whether any
    classified information, not intended to be disclosed by this opinion,
    has been inadvertently disclosed.
    65
    OLC-DOD Memorandum after appropriate redactions and deletion
    of classification codes (redactions in the OLC-DOD Memorandum
    are indicated by white spaces)
    66