Michael Evans v. BOP ( 2020 )


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  •  United States Court of Appeals
    FOR THE DISTRICT OF COLUMBIA CIRCUIT
    Argued November 7, 2019                Decided March 10, 2020
    No. 18-5068
    MICHAEL S. EVANS,
    APPELLANT
    v.
    FEDERAL BUREAU OF PRISONS,
    APPELLEE
    Appeal from the United States District Court
    for the District of Columbia
    (No. 1:16-cv-02274)
    Ari Holtzblatt, appointed by the court, argued the cause as
    amicus curiae in support of plaintiff-appellant. With him on
    the briefs was Daniel S. Volchok.
    Johnny H. Walker III, Assistant U.S. Attorney, argued the
    cause for appellee. With him on the brief were Jessie K. Liu,
    U.S. Attorney, and R. Craig Lawrence, Assistant U.S.
    Attorney.
    2
    Before: MILLETT and KATSAS, Circuit Judges, and
    SENTELLE, Senior Circuit Judge.
    Opinion for the Court filed by Senior Circuit Judge
    SENTELLE.
    SENTELLE, Senior Circuit Judge: Michael Evans was a
    federal prisoner when the underlying events leading to the
    current litigation occurred. Evans was stabbed from behind
    with a screwdriver in the prison dining hall. Later, Evans
    submitted a Freedom of Information Act (“FOIA”) request to
    the Federal Bureau of Prisons (the “Bureau”) seeking to
    compel the release of records related to the screwdriver, as well
    as surveillance footage of the episode. The Bureau was unable
    to locate any responsive records related to the screwdriver and
    withheld the surveillance footage asserting various FOIA
    exemptions. After exhausting the administrative appeals
    process, Evans filed suit in district court. The district court
    granted summary judgment in favor of the Bureau. The court
    held that the Bureau’s response to Evans’s request for records
    related to the screwdriver was adequate, and that the Bureau
    justified withholding the surveillance footage in full under
    FOIA Exemptions (b)(7)(C) and (b)(7)(E). Evans filed the
    instant appeal, and we appointed Amicus Curiae to argue on his
    behalf.1
    For the reasons that follow, we affirm the district court’s
    grant of summary judgment insofar as it pertains to the
    Bureau’s response to Evans’s request for records related to the
    screwdriver. However, we vacate and remand the judgment to
    1
    Because appellant has fully adopted the briefs and arguments of the
    amicus, we will throughout the opinion attribute those positions to
    the appellant. We thank the amicus for his service to the court.
    3
    the district court as to the Bureau’s withholding of the
    surveillance footage under Exemptions (b)(7)(C) and (b)(7)(E).
    I.      BACKGROUND
    A. Facts and History
    On May 2, 2013, while Evans was incarcerated at Federal
    Correctional Institution (“FCI”) Gilmer in Glenville, West
    Virginia, another inmate stabbed him multiple times with a
    Phillips-head screwdriver in the prison dining hall. Following
    that incident, Evans sued the United States under the Federal
    Tort Claims Act (“FTCA”) and individual officers employed at
    FCI Gilmer under 
    42 U.S.C. § 1983
    , alleging in both cases that
    the screwdriver was FCI Gilmer property that the corrections
    officers failed to properly secure. The Bureau disclaimed
    ownership of the tool, and those suits were dismissed. J.A. 58;
    Evans v. United States, No. 3:15-CV-64, 
    2016 WL 4581339
    , at
    *2 (N.D. W. Va. Sept. 2, 2016) (“The modified screwdriver
    used in the Plaintiff’s assault was not a [Bureau] tool.”); Evans
    v. Officer Cunningham, No. 2:15-CV-60, 
    2016 WL 3951157
    ,
    at *6 (N.D. W. Va. July 20, 2016) (noting that the report and
    recommendation from the magistrate showed that the
    screwdriver was “a non-[Bureau] tool, not subject to [Bureau]
    tool-control policies”).
    While those lawsuits were pending, Evans submitted his
    initial FOIA request to the Bureau seeking the following:
    Names, numbers, and addresses to all
    companies that shipped and/or delivered tools,
    recreation equipment, maintenance equipment,
    and machines to Federal Correctional
    Institution–Gilmer in Glenville, West Virginia
    26351, from January 2003, to, June 2013.
    4
    F.C.I.–Gilmer[’]s, Receiving and Departure
    Logs for all tools, recreation equipment,
    maintenance equipment, and machines shipped
    and/or delivered to F.C.I.–Gilmer from January
    2003, to, June 2013.
    Names and pictures of all tools, recreation
    equipment, maintenance equipment, and
    machines shipped and/or delivered to F.C.I.–
    Gilmer, from January 2003, to, June 2013.
    A copy of the video footage of the May 02, 2013
    incident of Michael Evans being assaulted in the
    inmate dining area at F.C.I.–Gilmer.
    J.A. 8–9.     The Bureau responded that it would cost
    approximately $14,320 to process Evans’s request. 
    Id. at 10
    .
    Due to the high cost, the Bureau allowed Evans the opportunity
    to reformulate his request. 
    Id.
    Evans took advantage of that opportunity. In an apparent
    attempt to narrow his request for records related to the
    screwdriver, he included a picture of the tool and stated that
    the screwdriver may have been a[] maintenance
    accessory tool that came with recreation, or
    maintenance equipment. I would like the name
    of the company that made the tool, along with
    the phone number and mailing address of the
    company. I would like to know what is the tool
    used for and what equipment it came with, and
    when that equipment was delivered to F.C.I.
    Gilmer in Glenville, WV 26351.
    5
    
    Id.
     at 38–39. Additionally, he again sought surveillance
    footage of the incident. 
    Id.
    The Bureau contacted FCI Gilmer officials for assistance
    in locating responsive materials. 
    Id. at 43
    . This time, the
    Bureau located the prison-surveillance footage but withheld it
    from disclosure under FOIA Exemptions (b)(2), (b)(7)(C),
    (b)(7)(E), and (b)(7)(F). 
    Id.
     As to any records pertaining to the
    screwdriver, the Bureau responded that, because the FCI
    Gilmer officials did not recognize the screwdriver or know
    from where it originated, they were “unable to ascertain what
    records to search.” 
    Id.
    Evans appealed the Bureau’s decision to the Office of
    Information Policy (“OIP”).          OIP determined that the
    surveillance footage was properly withheld under Exemptions
    (b)(7)(C), (b)(7)(E), and (b)(7)(F). 
    Id. at 51
    . It also stated that
    the Bureau “does not have the capability to segregate images
    potentially responsive to [Evans’s] request from the images of
    third parties on video recordings.” 
    Id. at 52
    . Thus, it justified
    withholding the entire video under Exemption (b)(7)(C). 
    Id.
    As to the requests related to the screwdriver, OIP explained that
    “FOIA does not require federal agencies to answer questions
    or create records in response to a FOIA request, but rather is
    limited to requiring agencies to provide access to reasonably
    described, nonexempt records.” 
    Id.
     Accordingly, OIP
    affirmed the Bureau’s response to Evans’s requests. 
    Id.
    Evans filed this action in the district court. Evans claimed
    that the Bureau’s response to his request for records related to
    the screwdriver was inadequate because he did not ask the
    Bureau to answer questions or conduct research but, instead,
    reasonably described the records sought. Evans also objected
    to the Bureau’s withholding the video footage. He argued that
    none of the claimed exemptions applied, and that at least some
    6
    portion of the footage is segregable and that the Bureau must
    possess the technological capability to segregate it.
    The Bureau moved for summary judgment, relying on a
    declaration filed by Sharon Wahl, a paralegal from the Beckley
    Consolidated Legal Center at the Federal Correctional
    Institution in Beckley, West Virginia. The district court first
    determined that Evans’s request related to the screwdriver
    “indeed call[ed] for responses to inquiries.” Evans v. Fed.
    Bureau of Prisons, No. 16-2274, 
    2018 WL 707427
    , at *3
    (D.D.C. Feb. 5, 2018). The district court emphasized that
    Evans “expected the [Bureau] to identify [the screwdriver’s]
    manufacturer, to provide the manufacturer’s phone number and
    mailing address, to specify the tool’s use and to explain how
    and when a particular screwdriver found its way to FCI
    Gilmer.” 
    Id.
     Thus, the district court upheld the Bureau’s
    nondisclosure of records related to the screwdriver.
    It then ruled that the Bureau properly withheld the footage
    under Exemptions (b)(7)(C) and (b)(7)(E). As to Exemption
    (b)(7)(F), however, the district court found that the Bureau
    failed to justify withholding the footage under that exemption.
    
    Id. at 6
    . Additionally, the court deferred to Wahl’s declaration
    in holding that no portion of the video was segregable and, even
    if it were, the Bureau lacks the technological capability to
    segregate it. 
    Id.
     Accordingly, the district court granted the
    Bureau’s motion for summary judgment.
    For the reasons that follow, we affirm the district court’s
    ruling as to the screwdriver, but not as to the withholding of the
    videotapes under Exemptions (b)(7)(C) and (b)(7)(E) and the
    Bureau’s ability to segregate the footage. We take no issue
    with the district court’s holding as to Exemption (b)(7)(F).
    7
    B. Legal Framework
    As the Supreme Court stated in Department of Air Force
    v. Rose, FOIA was enacted “to pierce the veil of administrative
    secrecy and to open agency action to the light of public
    scrutiny.” 
    425 U.S. 352
    , 361 (1976) (quoting Rose v. Dep’t of
    Air Force, 
    495 F.2d 261
    , 263 (2d Cir. 1974)). However,
    “Congress realized that legitimate governmental and private
    interests could be harmed by release of certain types of
    information.” FBI v. Abramson, 
    456 U.S. 615
    , 621 (1982).
    Accordingly, FOIA exempts nine categories of records from
    disclosure, 
    5 U.S.C. § 552
    (b), seeking “to establish a general
    philosophy of full agency disclosure unless information is
    exempted under clearly delineated statutory language,” NLRB
    v. Sears, Roebuck & Co., 
    421 U.S. 132
    , 136 (1976) (quoting S.
    Rep. No. 89-813, at 3 (1965)).
    Relevant to this appeal, Exemption (b)(7) allows an
    agency to withhold
    records or information compiled for law
    enforcement purposes, but only to the extent
    that the production of such law enforcement
    records or information . . . (C) could reasonably
    be expected to constitute an unwarranted
    invasion of personal privacy [or] . . . (E) would
    disclose techniques and procedures for law
    enforcement investigations or prosecutions, or
    would disclose guidelines for law enforcement
    investigations or prosecutions if such disclosure
    could reasonably be expected to risk
    circumvention of the law.
    
    5 U.S.C. § 552
    (b)(7).       Additionally, “[a]ny reasonably
    segregable portion of a record shall be provided to any person
    8
    requesting such record after deletion of the portions which are
    exempt under this subsection.” 
    Id.
     § 552(b). “[N]on-exempt
    portions of a document must be disclosed unless they are
    inextricably intertwined with exempt portions.” Mead Data
    Cent., Inc. v. U.S. Dep’t of Air Force, 
    566 F.2d 242
    , 260 (D.C.
    Cir. 1977).
    When an agency identifies responsive records but
    withholds them under one of the FOIA exemptions, it bears the
    burden of demonstrating that the records were properly
    withheld. See Summers v. Dep’t of Justice, 
    140 F.3d 1077
    ,
    1080 (D.C. Cir. 1998). To meet this burden, the agency can
    submit affidavits that “show, with reasonable specificity, why
    the documents fall within the exemption.” Hayden v. Nat’l Sec.
    Agency/Cent. Sec. Service, 
    608 F.2d 1381
    , 1387 (D.C. Cir.
    1979).
    Under FOIA, an agency is only obligated to release
    nonexempt records if it receives a request that “reasonably
    describes such records.” 
    5 U.S.C. § 552
    (a)(3)(A). “A request
    reasonably describes records if ‘the agency is able to determine
    precisely what records are being requested.’” Kowalczyk v.
    Dep’t of Justice, 
    73 F.3d 386
    , 388 (D.C. Cir. 1996) (quoting
    Yeager v. DEA, 
    678 F.2d 315
    , 326 (D.C. Cir. 1982)). In light
    of FOIA’s pro-disclosure purpose, an agency has “a duty to
    construe a FOIA request liberally.” Nation Magazine, Wash.
    Bureau v. U.S. Customs Serv., 
    71 F.3d 885
    , 890 (D.C. Cir.
    1995). Thus, an agency may not refuse to comply with a FOIA
    request simply because the request is phrased in the form of a
    question. See Yagman v. Pompeo, 
    868 F.3d 1075
    , 1081 (9th
    Cir. 2017) (“The flaw of Yagman’s FOIA request is its
    vagueness, not the way in which he framed it.”). Instead, the
    agency should determine whether, construing the request
    liberally, “it in fact has created and retained” responsive
    9
    records. Kissinger v. Reporters Comm. for Freedom of the
    Press, 
    445 U.S. 136
    , 152 (1980).
    If the agency determines that it does not possess any
    records responsive to a FOIA request, it bears the burden of
    demonstrating the adequacy of its search. See Reporters
    Comm. for Freedom of the Press v. FBI, 
    877 F.3d 399
    , 402
    (D.C. Cir. 2017). The agency meets its burden if it shows that
    “it made a good faith effort to conduct a search for the
    requested records, using methods which can be reasonably
    expected to produce the information requested.” Oglesby v.
    U.S. Dep’t of the Army, 
    920 F.2d 57
    , 68 (D.C. Cir. 1990).
    Again, the agency may make this showing “by submitting ‘[a]
    reasonably detailed affidavit, setting forth the search terms and
    the type of search performed, and averring that all files likely
    to contain responsive materials (if such records exist) were
    searched.’” Reporters Comm. for Freedom of the Press, 877
    F.3d at 402 (quoting Oglesby, 
    920 F.2d at 68
    ).
    II.     SUMMARY JUDGMENT
    We review the district court’s grant of summary judgment
    de novo. Gallant v. NLRB, 
    26 F.3d 168
    , 171 (D.C. Cir. 1994).
    Summary judgment may be granted only when the moving
    party, in this case the Bureau, is able to show that there is “no
    genuine dispute as to any material fact.” Fed. R. Civ. P. 56(a).
    In this case, that would require the Bureau to establish beyond
    factual dispute that its failure to produce responsive records
    comes outside the mandate of FOIA either by virtue of the
    nonexistence of the records or by a factually indisputable right
    to protection under one of the statutory exemptions.
    We will affirm the grant of summary judgment if, viewing
    the record in the light most favorable to the nonmovant, there
    are no genuine disputes of material fact and the movant is
    10
    entitled to judgment as a matter of law. 
    Id.
     “[T]he vast
    majority of FOIA cases can be resolved on summary
    judgment.” Brayton v. Office of Trade Representative, 
    641 F.3d 521
    , 527 (D.C. Cir. 2011). In the FOIA context,
    “[s]ummary judgment may be granted on the basis of agency
    affidavits if they contain reasonable specificity of detail rather
    than merely conclusory statements, and if they are not called
    into question by contradictory evidence in the record or by
    evidence of agency bad faith.” Gallant, 
    26 F.3d at 171
     (quoting
    Halperin v. CIA, 
    629 F.2d 144
    , 148 (D.C. Cir. 1980)).
    Otherwise put, agency affidavits that are “‘relatively detailed
    and non-conclusory, and . . . submitted in good faith’. . . are
    accorded a presumption of good faith.’” SafeCard Servs., Inc.
    v. SEC, 
    926 F.2d 1197
    , 1200 (D.C. Cir. 1991) (first alteration
    in original) (quoting Ground Saucer Watch, Inc. v. CIA, 
    692 F.2d 770
    , 771 (D.C. Cir. 1981)).
    III.    ANALYSIS
    A. Screwdriver Records
    We first address appellant’s argument that the Bureau’s
    response to the request for records related to the screwdriver
    was inadequate because it reasonably described the records
    sought and did not ask the Bureau to create new records or
    answer questions. We disagree and affirm the decision of the
    district court. Nothing in the record refutes the Bureau’s
    repeated assertions that it knows nothing about the screwdriver
    and has no records responsive to Evans’s demands.
    Appellant argues that by framing the requests related to the
    screwdriver as seeking answers to questions and thus refusing
    to conduct a search in the first place, the Bureau shirked its
    responsibility to conduct a search for the records under FOIA.
    Appellant asserts that, even if the request was phrased as a
    11
    question, the Bureau may only refrain from producing
    documents “if doing so would require creating a new record.”
    Amicus Curiae Br. in Support of Plaintiff-Appellant at 34.
    Further, appellant contends that the initial request and the
    reformulated request should be construed together. Because
    the Bureau estimated the cost to conduct a search in response
    to his initial request, appellant argues that it necessarily
    understood the request and believed responsive documents to
    exist. Thus, his narrower reformulated request could have been
    satisfied with production of the same types of records. Even
    if Evans’s original and reformulated requests are read together,
    they are insufficient.
    While appellant correctly points out that the Bureau cannot
    refuse to conduct a search simply because a request is framed
    as a question, the more relevant issue, as noted above, is
    whether Evans reasonably described documents that the
    Bureau has in fact created and retained. See Kowalczyk, 
    73 F.3d at 388
    . This turns, at least in part, on whether the
    screwdriver was prison property in the first place. But the
    Bureau has claimed in this case and in prior related proceedings
    that it did not own the screwdriver and that Evans’s
    assumptions to the contrary are flawed. Appellee’s Br. at 11;
    Evans, 
    2016 WL 4581339
    , at *2; Cunningham, 
    2016 WL 3951157
    , at *6.
    In fact, when Evans included the picture of the screwdriver
    in his reformulated request, the Bureau sent the photo to FCI
    Gilmer officials who responded that they did not recognize the
    screwdriver, leaving them “unable to ascertain what records to
    search.”      J.A. 43; Evans, 
    2016 WL 4581339
    , at *2;
    Cunningham, 
    2016 WL 3951157
    , at *6. The request was thus
    presented to professional employees of the Bureau who are
    familiar with the subject area of the request, but those officials
    were unable to determine what records to search with a
    12
    reasonable amount of effort. See Dale v. IRS, 
    238 F. Supp. 2d 99
    , 104 (D.D.C. 2002).
    Moreover, even when the two requests are construed
    together, the reality is that Evans’s reformulated request
    fundamentally altered his initial request. In an effort to reduce
    the costs of responding to his request, Evans abandoned his
    broad requests for shipping logs, delivery logs, and
    maintenance equipment information over a span of ten years.
    Instead, he narrowed his request to seek only documents
    specifically related to a particular screwdriver. Indeed, records
    not containing information related to that screwdriver might
    not have been considered responsive to Evans’s request. In
    light of the Bureau’s affidavit stating that FCI Gilmer officials
    did not recognize the screwdriver referenced above, it was
    necessarily unable to produce responsive records.
    Appellant has provided us with no reason to doubt the
    veracity of the prison officials’ response, nor has he presented
    anything to convince us that the screwdriver must have been
    prison property. As far as we know, it is entirely plausible that
    the prison officials did not recognize the screwdriver because
    it was not prison property. Prisoners are capable of smuggling
    contraband into prison, including weapons and other materials.
    See, e.g., Bame v. Dillard, 
    637 F.3d 380
    , 385 (D.C. Cir. 2011)
    (noting that “[s]muggling of money, drugs, weapons, and other
    contraband is all too common an occurrence” in detention
    facilities (quoting Bell v. Wolfish, 
    441 U.S. 520
    , 559–60 (1979)
    (alteration in original))). Without any evidence beyond
    unfounded claims speculating that the screwdriver was prison
    property or that the Bureau’s response should not otherwise be
    accorded the presumption of good faith, the Bureau’s efforts to
    identify the screwdriver by contacting prison officials and its
    statement that it was unable to conduct a search for responsive
    records because the prison officials did not possess such a tool
    13
    are sufficient to support the grant of summary judgment. See
    SafeCard Servs., Inc., 
    926 F.2d at 1200
    . Accordingly, we
    affirm the district court’s judgment as it relates to Evans’s
    request for screwdriver records.
    B. Surveillance Footage
    Next, we turn to appellant’s contention that the Bureau
    failed to justify withholding the surveillance footage under
    FOIA Exemptions (b)(7)(C) and (b)(7)(E), and that, even if
    withholding was proper, at least some portion of the video was
    segregable. On these points, we agree with appellant that the
    Bureau failed to justify withholding the footage on this record.
    Accordingly, we vacate the district court’s judgment as to those
    issues and remand for further proceedings.
    We begin the analysis of the Bureau’s claimed exemptions
    regarding the entirety of the videotape with the underlying
    principles stated above. That is, the congressional philosophy
    in the adoption of FOIA favors disclosure, not concealment.
    To exercise the exceptions warranted by the statute, the
    government bears the burden of proving the applicability of the
    statutory exemption. See Summers, 140 F.3d at 1080. With
    respect to the claimed exemption under (b)(7)(C), in order to
    be entitled to summary judgment, the Bureau needed to
    establish beyond any genuine dispute that the disclosure of the
    withheld records “could reasonably be expected to constitute
    an unwarranted invasion of personal privacy.” 
    5 U.S.C. § 552
    (b)(7)(C) (emphasis added). As discussed above, an
    agency claiming a FOIA exemption may carry this burden by
    the production of affidavits. Hayden, 608 F.2d at 1387.
    However, we remind the government that such “affidavits must
    show, with reasonable specificity, why the documents fall
    within the exemption.” Id. Further, we have long held that
    “[t]he affidavits will not suffice if the agency’s claims are
    14
    conclusory, merely reciting statutory standards, or if they are
    too vague or sweeping.” Id. The affidavit relied upon by the
    Bureau fails on all counts. It lacks specificity; it is conclusory;
    and it recites statutory language without demonstrating its
    applicability to the information withheld.
    More specifically, statutory Exemption (b)(7)(C) requires
    that, to be exempted, information must “constitute an
    unwarranted invasion of personal privacy.”              
    5 U.S.C. § 552
    (b)(7)(C). With respect to that claimed exemption, the
    Bureau stated that the “footage contained the images of
    approximately 70 or more other individuals” and, thus,
    disclosure of the footage “may constitute an unwarranted
    invasion of privacy.” J.A. 27 (emphasis added). This will not
    do. To shelter otherwise responsive data under the protection
    of Exemption (b)(7)(C) by the terms of the statute, the
    government agency must show that the disclosure “could
    reasonably be expected to constitute an . . . invasion of personal
    privacy,” and that this invasion is “unwarranted.” 
    5 U.S.C. § 552
    (b)(7)(C). The language of the affidavit that the
    disclosure of the video recording “may” constitute an
    unwarranted invasion is far too vague and unspecific to remove
    all factual issue as to whether it could reasonably be expected
    to invade personal privacy and that such invasion would be
    unwarranted.
    So far as we know from the current affidavit, all
    information that would be revealed is that seventy or so inmates
    were eating a meal in a place where they were not only
    expected to be, but were required by law to reside. It is true
    that we have discouraged serial summary judgment motions
    after the government’s first loss. See Maydak v. U.S. Dep’t of
    Justice, 
    218 F.3d 760
    , 769 (D.C. Cir. 2000). We recognize,
    however, that responding to a request for videotape rather than
    printed data may have been a novel experience for the Bureau.
    15
    Therefore, it may be that on remand, the district court will
    permit more flexibility than in the customary case. It is further
    possible that the Bureau will be no more able to make a
    showing entitling it to withholding than it has so far. That of
    course leaves open the possibility that the court might grant a
    summary judgment in favor of Evans. Unusual as it may be,
    this may be the rare FOIA case that results in a trial in which
    the court would have to find facts as to the applicability of the
    exemptions.
    If in possible further proceedings, the Bureau is able to
    produce additional evidence supporting this claimed
    exemption, it needs to do so with specificity and without
    vagueness in such a fashion that the courts can say with
    confidence that the statutory standard has been met. In other
    words, as we stated above, the government may carry its
    burden by the introduction of affidavits, but only if “affidavits
    . . . show, with reasonable specificity, why the documents fall
    within the exemption.” Hayden, 608 F.2d at 1387.
    Even if we were to accept the Bureau’s current affidavit as
    adequately bringing the document within the protection of this
    exemption, we are still confronted with the vagueness of the
    government’s claim of inability to segregate unprotected data.
    As we discussed with the government at oral argument, if we
    assume that the video record does constitute an unwarranted
    invasion of privacy as to individuals in the record, it is not at
    all clear from the government’s affidavit why it cannot
    segregate the portions of the record that do not do so. More
    specifically, we live in an era in which teenagers regularly send
    each other screenshots from all sorts of video media.
    Presumably, most of these teenagers have fewer resources than
    the United States government. It is not at all clear why the
    government could not at least isolate some screenshots that
    16
    would meet the same sort of segregability standards typically
    applied to printed material.
    The government further does not explain why it cannot by
    use of such techniques as blurring out faces, either in the video
    itself or in screenshots, eliminate unwarranted invasions of
    privacy. The same teenagers who regale each other with
    screenshots are commonly known to revise those missives by
    such techniques as inserting cat faces over the visages of
    humans. While we do not necessarily advocate that specific
    technique, we do hold that the government is required to
    explain why the possibility of some similar method of
    segregability is unavailable if it is to claim the protection of the
    exemption.
    The Bureau’s affidavit supporting its claim to protection
    of the data under Exemption (b)(7)(E) suffers from the same
    shortcomings as the other exemption claim. The Bureau
    argued that releasing the footage “would reveal the specific law
    enforcement methods employed in responding [to] and/or
    conducting the investigation into the prohibited conduct” and
    would “demonstrate[] the location of video cameras.” J.A. 27.
    Thus, prisoners could “modify[] their criminal behavior to
    prevent detection and circumvent the methods law enforcement
    officers use to discover the existence of and investigate the
    conduct of prisoners.” Id.
    We do not question the government’s good faith on this
    subject. However, we do note its vagueness and lack of
    specificity. For example, the affidavit does not even make
    clear whether the location of video cameras would be visible to
    inmates in the prison dining hall. Moreover, it does not address
    the field of view of any or all of the cameras so as to reveal
    potential blind spots—a concern first raised in the Bureau’s
    briefs. And it is not possible from the words of the affidavit to
    17
    determine whether the government is actually describing
    anything in the way of technique or placement of cameras that
    is sufficient to overcome the statutory presumption in favor of
    disclosure. Summary judgment on this issue would require that
    the Bureau show that there is no genuine dispute as to whether
    the placement and visibility of cameras is such that exposure of
    the video recording would in fact provide any new information
    not already available through observation by prisoners
    physically present in the dining room. Even if exposure of the
    cameras’ field of view would result with respect to some
    cameras, the affidavit does not establish that it would make an
    exempt exposure if only the views from one specific camera
    were shown; that is to say one camera location of which is
    readily visible, for example. Similarly, as to law enforcement
    techniques, if all the Bureau is able to show is that, when a
    prisoner does something violent, guards respond to the location
    of the violence and take action to control the prisoner, that is
    not likely to fall within the exemption.
    We understand that the Bureau may be concerned that if an
    affidavit were more detailed and specific, it might reveal
    information protected by the FOIA exemptions. This is not an
    insurmountable problem. True, we have many times reminded
    litigants that it is not necessary for district courts to conduct an
    in camera inspection in every FOIA case. Quiñon v. FBI, 
    86 F.3d 1222
    , 1228 (D.C. Cir. 1996) (“[I]n camera review should
    not be resorted to as a matter of course.”). However, this case
    may constitute an exceptional circumstance warranting such
    inspection if the Bureau continues to insist on the applicability
    of this exemption after remand. Indeed, as the present record
    is not sufficient to support summary judgment, such an
    examination by the court may be necessary should this case
    result in a rare FOIA trial. That is, in such a trial, the district
    court would need to make findings of fact as to the exemptions,
    and it is difficult to see how this could be done without more
    18
    than what the Bureau has offered in the affidavit. In summary,
    the agency’s declaration is too unspecific on its own to
    establish that withholding the footage under the exemptions is
    justified.
    IV.     CONCLUSION
    We enter a judgment affirming the district court as to the
    responses concerning the screwdriver. However, as to the
    responses concerning the video recording, we vacate the
    judgment granted by the district court and remand the matter
    for further proceedings.
    So ordered.