State v. Guerrera , 331 Conn. 628 ( 2019 )


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    STATE OF CONNECTICUT v. MICHAEL
    ANTHONY GUERRERA
    (SC 19785)
    Palmer, McDonald, Robinson, D’Auria,
    Mullins, Kahn and Ecker, Js.*
    Syllabus
    Pursuant to Brady v. Maryland (
    373 U.S. 83
    ), the state has an obligation
    to disclose to an accused evidence that is both favorable to the defense
    and material to the case.
    Convicted of the crimes of assault in the first degree, conspiracy to commit
    assault in the first degree, and tampering with physical evidence, and
    found in violation of probation, the defendant appealed to the Appellate
    Court, claiming, inter alia, that the trial court improperly had granted
    in part motions by the state and the Department of Correction to quash
    a subpoena issued by the defendant to the department that sought,
    pursuant to Brady, the production of audio recordings made by the
    department of four codefendants’ calls and visits while they all were in
    the custody of the Commissioner of Correction. The defendant and his
    four codefendants had been incarcerated in lieu of bail pending trial and,
    in accordance with department policy, were notified that conversations
    during all inmate calls and noncontact visits were automatically
    recorded. Such recordings ordinarily remained in storage for one year,
    after which time they were automatically erased, unless the department
    manually preserved them beyond the one year period. Following a
    request by the office of the state’s attorney that the department record
    the calls and visits of the codefendants, the department assigned a
    monitor to the case, and, in accordance with department practice, the
    monitor reviewed approximately 10 percent of the audio recordings of
    those calls and visits, which represented the calls and visits the depart-
    ment believed to be most likely to bear some relevance to the pending
    criminal case. If the monitor identified a call or visit that may contain
    information relevant to the case, the monitor would preserve the
    recording of that call or visit beyond the one year period and summarize
    its contents for the state. In response to the defendant’s subpoena, the
    department preserved 1552 recordings of the codefendants’ calls and
    visits that remained in storage. The state and the department claimed
    in their motions to quash that the defendant’s subpoena was issued
    without any indication that the recordings contained exculpatory infor-
    mation and, further, that producing the recordings would unduly burden
    the department because its policy required it to review each recording
    in its entirety prior to its disclosure to an outside party. The state further
    claimed that the unreviewed recordings were not part of the state’s
    investigation but were identified and ultimately preserved at the express
    request of the defendant. The trial court granted the motions to quash
    with respect to the 1552 recordings that were preserved in response to
    the defendant’s subpoena but that had not been reviewed, but ordered
    the department to provide to the defendant any recordings of the code-
    fendants that the department had reviewed and that concerned the
    pending case. The trial court rejected the defendant’s claim that Brady
    also required the department to provide the 1552 recordings that the
    department had not reviewed so that he could review them himself. In
    addressing the defendant’s Brady claim on appeal, the Appellate Court
    appeared to assume without deciding that the 1552 recordings, none of
    which had been reviewed by the department or the state, were part of
    the state’s investigatory file and that the state could be charged with
    constructive knowledge of their contents. The Appellate Court neverthe-
    less concluded that the state’s attorney had no obligation to examine
    the state’s own investigatory file because the defendant had not made
    an adequate showing that the file contained exculpatory information.
    On the granting of certification, the defendant appealed to this court.
    Held that, in the absence of an appropriate showing by the defendant of
    at least some likelihood that the 1552 recordings contained exculpatory
    information, the state had no obligation, under the particular facts of
    this case, either to examine those recordings or to obtain and make
    them available to the defendant for his review, and, accordingly, the
    Appellate Court correctly concluded that the trial court had properly
    granted in part the state’s and the department’s motions to quash the
    defendant’s subpoena: the assumption that the 1552 recordings, none
    of which was reviewed by the department, were identified and preserved
    in furtherance of the state’s investigation and were thus part of the
    state’s investigatory file was contradicted by the record, there having
    been no evidence to contradict the monitor’s testimony that the 1552
    recordings were preserved in accordance with the department’s obliga-
    tion in light of the defendant’s subpoena rather than as part of the
    department’s monitoring process as requested by the state’s attorney;
    moreover, because it was undisputed that the department reviewed
    only 10 percent of the recordings in response to the state’s request for
    monitoring and the state never pursued a request that the department
    review all of the recordings or undertook to obtain and review any of
    the remaining recordings, the state’s investigation with respect to the
    recordings in the department’s possession was limited to the 10 percent
    of the recordings that the department did review, and the trial court
    correctly determined that the state’s obligations under Brady extended
    to those particular recordings.
    (One justice concurring separately)
    Argued September 21, 2017—officially released May 7, 2019
    Procedural History
    Two substitute informations charging the defendant,
    in the first case, with the crimes of assault in the first
    degree, conspiracy to commit assault in the first degree,
    unlawful restraint in the first degree and tampering with
    physical evidence, and, in the second case, with the
    crimes of murder, conspiracy to commit murder, felony
    murder, kidnapping in the first degree and conspiracy
    to commit kidnapping in the first degree, and informa-
    tion, in a third case, charging the defendant with viola-
    tion of probation, brought to the Superior Court in the
    judicial district of New Britain where the cases were
    consolidated; thereafter, the court, Alander, J., granted
    in part the motions to quash a subpoena duces tecum
    filed by the state et al.; subsequently, the first two cases
    were tried to the jury before Alander, J.; verdicts of
    guilty of assault in the first degree, conspiracy to com-
    mit assault in the first degree and tampering with physi-
    cal evidence; thereafter, the court declared a mistrial
    as to the charges of murder, felony murder, kidnapping
    in the first degree and conspiracy to commit kidnapping
    in the first degree and granted the defendant’s motion
    to dismiss the charge of conspiracy to commit kidnap-
    ping in the first degree; subsequently, the third case
    was tried to the court; thereafter, the court rendered
    judgment revoking the defendant’s probation and ren-
    dered judgments in accordance with the verdicts, and
    the defendant appealed to the Appellate Court, Gruen-
    del, Beach and Flynn, Js., which affirmed the trial
    court’s judgments, and the defendant, on the granting
    of certification, appealed to this court. Affirmed.
    John L. Cordani, Jr., with whom, on the brief, was
    Damian K. Gunningsmith, for the appellant (defend-
    ant).
    James A. Killen, senior assistant state’s attorney,
    with whom, on the brief, were Brian Preleski, state’s
    attorney, Jonathan M. Sousa, former special deputy
    assistant state’s attorney, and John H. Malone, supervi-
    sory assistant state’s attorney, for the appellee (state).
    Opinion
    PALMER, J. It is the policy and practice of the Depart-
    ment of Correction (department) to automatically
    record the telephone calls and noncontact visits of all
    inmates, each of whom is given prior notice that such
    calls and visits are being recorded. The recordings are
    made for a variety of reasons related to prison safety
    and administration, and not as part of any investigation
    into the crimes with which the various inmates have
    been charged. From time to time, however, the depart-
    ment, upon express request of the state’s attorney
    responsible for prosecuting a particular criminal case,
    will review some but not all of the calls and visits of
    those inmates who have been charged in that case.
    Because the department is acting as an investigative
    arm of the state in conducting that review, the calls
    and visits reviewed at the state’s attorney’s behest are
    part of the state’s investigation into the case such that,
    like all other material and information gathered or
    developed as part of the investigation, those calls and
    visits are subject to the disclosure requirements of
    Brady v. Maryland, 
    373 U.S. 83
    , 87, 
    83 S. Ct. 1194
    , 
    10 L. Ed. 2d 215
    (1963).1 The sole issue presented by this
    appeal is whether the inmates charged in such a case,
    some of whose calls and visits have been reviewed by
    the department, are entitled, under Brady, to a review
    of all of those calls and visits even though the depart-
    ment has limited its review to only some of the recorded
    conversations. We conclude that no such review is
    required under the facts and circumstances of the pres-
    ent case.
    The defendant, Michael Anthony Guerrera, and four
    codefendants were charged with various offenses in
    connection with the assault and murder of the victim,
    Dylan Sherman. Following their arrest, they were
    remanded to the custody of the Commissioner of Cor-
    rection (commissioner) pending trial, at which time the
    state requested that the department review the tele-
    phone calls and noncontact visits of the defendant and
    his codefendants. In accordance with its practice, the
    department reviewed only about 10 percent of those
    voluminous calls and visits, which represented the calls
    and visits believed by the department to be most likely
    to bear some relevance to the pending criminal case.
    Subsequently, the defendant, shortly before trial, issued
    a subpoena to the department seeking, under Brady,
    the production of more than 1500 audio recordings of
    the telephone calls and noncontact visits of the defen-
    dant’s four codefendants that had been made and
    retained by the department while those codefendants
    remained in the commissioner’s custody prior to trial.2
    The state and the department moved to quash the sub-
    poena, claiming that it was overbroad in that it failed
    to provide any reason to believe that the recordings
    contained exculpatory information and, further, that
    producing the recordings would place an undue burden
    on the department because, before any such produc-
    tion, the department would be required to review each
    recording to determine whether it contained any rele-
    vant evidence. The trial court granted in part the
    motions to quash, concluding, inter alia, that, before
    the department could be compelled to undertake such
    an extensive review on the defendant’s behalf, the
    defendant was required, in accordance with Brady, to
    make an appropriate threshold showing that the
    recordings contain evidence favorable to the defendant,
    a showing that he concededly could not make. A jury
    thereafter found the defendant guilty of assault in the
    first degree in violation of General Statutes §§ 53a-59
    (a) (1) and 53a-8, conspiracy to commit assault in the
    first degree in violation of General Statutes §§ 53a-59
    (a) (1) and 53a-48 (a), and tampering with physical
    evidence in violation of General Statutes (Rev. to 2011)
    § 53a-155 (a) (1), and the trial court rendered judgments
    in accordance with the verdicts.3
    On appeal, the Appellate Court affirmed the judg-
    ments of the trial court; State v. Guerrera, 167 Conn.
    App. 74, 120, 
    142 A.3d 447
    (2016); and we granted the
    defendant’s petition for certification to appeal, limited
    to the question of whether the Appellate Court properly
    determined ‘‘that the state’s attorney’s obligation to
    review [the state’s] own investigatory file for Brady
    . . . material . . . applies [only when] the defendant
    can first make a ‘showing’ that the file contains exculpa-
    tory information . . . .’’ State v. Guerrera, 
    323 Conn. 922
    , 
    150 A.3d 1152
    (2016). Upon further consideration
    of the issue presented, however, it is apparent that the
    certified question is predicated on an assumption that
    is contradicted by the record, namely, that the
    recordings at issue were part of the state’s investigatory
    file; they were not a part of the investigation of the
    state’s case against the defendant.4 Because those
    recordings were not part of that file, we have no cause
    to answer the question as certified. We must decide,
    rather, whether the state had an obligation under Brady
    to review the recordings nevertheless.5 We conclude
    that the state had no such obligation under the particu-
    lar facts of this case, and, for that reason, we affirm
    the judgment of the Appellate Court.
    The following undisputed facts and procedural his-
    tory are relevant to our resolution of the present appeal.
    On February 22, 2011, the victim was severely beaten
    and then transported to a wooded area of Terryville
    where he was bludgeoned to death. His body was found
    the next day by a hiker, and, soon thereafter, the police
    developed information that the victim had been mur-
    dered by the defendant and his brother, Dennis Guer-
    rera, over a dispute involving money. On February 24,
    2011, the two men, along with three others, were
    arrested and charged with multiple offenses related to
    the assault and murder of the victim.
    Shortly after those arrests, an inspector from the
    state’s attorney’s office requested that the department
    monitor the telephone calls and noncontact visits of
    the defendant and his four codefendants, all of whom
    remained incarcerated in lieu of bail pending trial. This
    request was handled in accordance with department
    policy, pursuant to which all such inmate calls and visits
    are automatically recorded with prior notice to every
    inmate that his or her calls and visits are recorded
    and subject to monitoring by the department.6 These
    recordings are made for prisoner safety and a number
    of administrative concerns, and are stored for a fixed
    period of time on servers maintained by an outside
    vendor. Prior to July, 2012, the vendor preserved the
    recordings for ninety days, after which time they were
    automatically erased. Thereafter, however, the depart-
    ment entered into a contract with a new vendor, which
    was required to preserve the recordings for one year.
    Both before and after July, 2012, however, to preserve
    a recording beyond the automatic retention period, the
    department had to save it to an external drive, which
    is referred to as ‘‘locking’’ the call.
    The department routinely receives requests from the
    various state’s attorney’s offices and other investigative
    agencies to monitor inmate telephone calls. After the
    receipt of such a request, the department assigns an
    individual telephone monitor to the case. Because the
    department maintains that it is not feasible to monitor
    or review every call of any particular inmate,7 the
    department’s practice when monitoring calls for such
    a requesting agency is to focus exclusively on inmate
    calls occurring soon after that inmate was arrested and
    incarcerated and shortly before and after the inmate’s
    court dates because, in the view of the department,
    those are the calls that typically yield information of
    value to the requesting agency. The monitor assigned
    to the request decides which calls to listen to, generally
    without any input from the requesting agency, and will
    lock a call only if it appears to contain information
    related to the case. When such a call has been identified
    and locked, the monitor summarizes its contents in a
    written report, which is then forwarded to the
    requesting agency. If the requesting agency wishes to
    obtain a copy of any such recording, it may do so upon
    request to the department in accordance with depart-
    ment policy.
    The state’s request in the present case was assigned
    to Officer Donald Lavery, a member of the department’s
    Special Intelligence Unit. In keeping with department
    practice, Lavery limited his review to those calls that
    were made shortly after the individuals were incarcer-
    ated and before and after their court dates, a review
    that comprised only about 10 percent of the calls of
    the defendant and his codefendants. Lavery ultimately
    prepared notes on only a handful of the calls, and he
    forwarded those notes to the state’s attorney’s office.
    The state, however, never sought to obtain a copy of
    any of those calls because, after reviewing Lavery’s
    notes, the state’s attorney determined that none of the
    calls was either inculpatory or exculpatory. Moreover,
    at no time did the state’s attorney seek to have the
    department review additional calls or otherwise under-
    take to obtain copies of any such additional calls from
    the department.
    On June 27, 2011, defense counsel sent a letter to
    the department ‘‘requesting that all phone calls of [the
    defendant’s codefendants] be recorded and preserved.’’
    The letter further stated that, ‘‘[a]t some point in the
    future, I anticipate issuing subpoenas for the recordings
    of these inmates’ calls.’’ On August 15, 2013, the defen-
    dant issued a subpoena to the department, directing
    it to ‘‘produce copies of the [codefendants’] recorded
    conversations, whether on the telephone or during
    inmate visits . . . .’’ The state and the department
    moved to quash the subpoena on the ground that it had
    been issued without any indication that the recorded
    conversations contain exculpatory material. They also
    maintained that compliance with the subpoena would
    place a significant and unreasonable burden on the
    department due to the extensive number of recordings
    involved, all of which, under department policy, would
    have to be reviewed in their entirety before they could
    be disclosed to an outside party, a process that,
    according to the representations of the state’s attorney,
    could take anywhere from 200 to 1000 hours, depending
    on the length of the calls.8
    The defendant filed an objection to the motions to
    quash in which he asserted, inter alia, that he was in
    possession of information that, during a recorded
    prison visit between his brother, Dennis, and their
    mother, Naomi Ball, Dennis had informed Ball that the
    defendant was not involved in the victim’s murder. On
    the basis of this information, the defendant claimed that
    the exculpatory statement allegedly made by Dennis to
    their mother provided reason to believe that the other
    codefendants also might have revealed exculpatory
    information during their phone calls or visits.
    At the hearing on the motions to quash, Lavery testi-
    fied that he had not locked any calls in response to the
    state’s request for monitoring,9 but, after receiving the
    defendant’s subpoena, he ‘‘went back and started lock-
    ing’’ all of the codefendants’ calls that were still on the
    server. A total of 1552 calls were ultimately locked.10
    When the court asked whether he had listened to any
    of the calls after they were locked in response to the
    subpoena, Lavery responded that he had not. After
    Lavery’s testimony that he had not locked any calls in
    response to the state’s request for monitoring, the trial
    court expressed confusion, stating that it was under
    the impression that all of the codefendants’ calls were
    locked as soon as the department received the state’s
    request. Lavery explained that, because calls must be
    locked ‘‘one at a time and it takes a very long time’’ to
    lock a call, it is his general practice to lock only calls
    that he has actually reviewed and that he believes may
    contain information relevant to the case of interest. The
    court then asked Lavery: ‘‘Oh, so they’re not automati-
    cally locked? . . . [Y]ou only lock the ones you’ve lis-
    tened to if there’s something of note?’’ Lavery
    responded, ‘‘right.’’ The court then stated: ‘‘So it’s not
    accurate for me to think, which is what I thought, that
    once the request comes in every call [is locked]. Nothing
    like that was done?’’ Lavery responded, ‘‘[n]o.’’ The
    court then stated, ‘‘[s]o [all the older] calls are gone.
    They’re not preserved. If [a call] was made in March
    of 2011 [when the state requested monitoring] under
    the old system, it would have [been] held for ninety
    days. So they don’t exist anymore, right?’’ Lavery
    responded, ‘‘[y]es.’’ Finally, the court asked Lavery
    again why he had locked the 1552 calls at issue. Lavery
    responded that he had locked them to comply with the
    defendant’s subpoena ‘‘so we wouldn’t lose them,’’ to
    which the court responded: ‘‘Okay. Understood.’’
    Following the hearing on the motions to quash, the
    trial court issued a memorandum of decision granting
    the motions with respect to the 1552 calls that were
    locked in response to the defendant’s subpoena but
    remained unreviewed. In doing so, the court observed
    that of the calls that Lavery had reviewed, but which
    did not include any of the 1552 calls locked in response
    to the defendant’s subpoena, only a few of them con-
    tained conversations that referred to the crime or other-
    wise related in some way to the defendant’s case. ‘‘Given
    these statistics,’’ the court stated, ‘‘the defendant’s
    request for documents is overbroad. It clearly sweeps
    up calls that have no demonstrated relevance to the
    matter before the court. It would also impose a substan-
    tial burden on [the department] to review each of these
    [1552] calls to determine which calls contain relevant
    statements.’’ In reaching its decision, the court rejected
    the defendant’s contention that, because a few of the
    calls that Lavery reviewed contained some information
    that related generally to the case, it was reasonable to
    infer that some of the 1552 calls would contain exculpa-
    tory material. The court stated that the defendant had
    presented no evidence that the codefendants ‘‘did in
    fact make any other calls containing relevant material,
    other than those already identified by [the department]
    and, if [they did], which calls contain [that] material.
    The defendant seeks to obtain [more than 1500] calls in
    the blind hope that some of them may contain relevant
    material. That effort is a classic fishing expedition.’’
    The trial court next addressed the defendant’s claim
    that ‘‘he is entitled to obtain copies of all [1552] calls so
    that he can review [them] for Brady material.’’ (Internal
    quotation marks omitted.) The court observed that,
    although the department ‘‘does not generally act as an
    investigative arm of the state, it did assist the state’s
    attorney’s office in the investigation of the crimes at
    issue here.’’ Citing Kyles v. Whitley, 
    514 U.S. 419
    , 437,
    
    115 S. Ct. 1555
    , 
    131 L. Ed. 2d 490
    (1995) (prosecutor
    has duty to learn of any evidence favorable to defendant
    that is known to others acting on government’s behalf),
    and Demers v. State, 
    209 Conn. 143
    , 153, 
    547 A.2d 28
    (1988) (same), the court then explained that, for Brady
    purposes, the state’s disclosure obligation extends not
    only to the office of the prosecutor but also to ‘‘law
    enforcement personnel and other arms of the state
    involved in the investigative aspects of a particular ven-
    ture.’’ (Internal quotation marks omitted.) The court
    further observed that, under United States v. Stewart,
    
    433 F.3d 273
    , 298 (2d Cir. 2006), ‘‘[t]he relevant inquiry
    for determining whether an individual or entity is an
    arm of the prosecution for Brady purposes is what
    the person did, not who the person is.’’ (Emphasis in
    original; internal quotation marks omitted.)
    The trial court continued: ‘‘The state’s attorney’s
    office specifically requested that [the department] mon-
    itor and review the calls . . . of the [defendant and
    his] four codefendants. In response to that request,
    [the department] reviewed approximately 10 percent
    of [those] calls for any information related to the alleged
    crimes. In a number of instances, [the department] sent
    notes to the state’s attorney’s office detailing the con-
    tent of calls containing such information. Clearly, [the
    department] was investigating aspects of the case on
    behalf of the state’s attorney. Consequently, under the
    facts here, the prosecutor’s obligation under Brady to
    disclose exculpatory and favorable information to the
    defendant extends to information known to [the
    department].’’
    Applying these principles to the present case, the
    court determined that, because Lavery, at the prosecu-
    tion’s request, had reviewed approximately 10 percent
    of the codefendants’ calls, the state’s duty under Brady
    to disclose exculpatory information extended to those
    calls. The court also concluded, however, that the
    remaining 90 percent of the calls fell outside the state’s
    Brady obligations because those calls were never
    reviewed by the department or the state as part of the
    investigation of the defendant’s case, and, therefore,
    those calls could not be known to the department, or
    constructively known by the state’s attorney. Necessary
    to this conclusion was the court’s implicit finding that
    those calls were not part of the state’s investigatory file.
    Accordingly, the court denied the motions to quash
    in part and ordered the department to provide to the
    defendant ‘‘any recorded calls of the codefendants [that
    the department] has reviewed and [that] concern the
    pending case . . . including but not limited to: (1) the
    recorded call of the visit by . . . Ball with Dennis Guer-
    rera in which [Dennis] Guerrera [purportedly] discusses
    the involvement or lack of involvement of the defendant
    in these crimes, and (2) the recorded calls for which [the
    department] has provided notes to the state’s attorney’s
    office outlining the substance of the calls because the
    calls refer to matters related to [the] case.’’11
    The trial court, however, rejected the defendant’s
    contention that Brady also required the department to
    turn over to the defendant the 1552 recordings that
    Lavery did not listen to so that the defendant himself
    could review them for possible Brady material. The
    court explained that, even if there were legal authority
    for the defendant’s request, which there is not; see, e.g.,
    Pennsylvania v. Ritchie, 
    480 U.S. 39
    , 59, 
    107 S. Ct. 989
    ,
    
    94 L. Ed. 2d 40
    (1987) (‘‘A defendant’s right to discover
    exculpatory evidence does not include the unsuper-
    vised authority to search through the [government’s]
    files. . . . [T]his court has never held . . . that a
    defendant alone may make the determination as to the
    materiality of the information. Settled practice is to the
    contrary.’’ [Citations omitted.]); the defendant would
    still be required to make a threshold showing of materi-
    ality before the department could be compelled to pro-
    duce the recordings, a hurdle that the defendant
    admittedly could not surmount. See, e.g., 
    id., 58 n.15
    (‘‘[a defendant], of course, may not require the trial
    court to search through the [government’s] file without
    first establishing a basis for his claim that it contains
    material evidence’’); United States v. Brandon, 
    17 F.3d 409
    , 456 (1st Cir.) (‘‘to establish a violation of Brady, a
    defendant must provide the court with some indication
    that the materials to which he . . . needs access con-
    tain material and potentially exculpatory evidence’’),
    cert. denied sub nom. Granoff v. United States, 
    513 U.S. 820
    , 
    1155 S. Ct. 80
    , 
    130 L. Ed. 2d 34
    (1994), and
    cert. denied sub nom. Ward v. United States, 
    513 U.S. 820
    , 
    1155 S. Ct. 80
    , 
    130 L. Ed. 2d 34
    (1994); United
    States v. Pou, 
    953 F.2d 363
    , 367 (8th Cir.) (Brady does
    not permit defendant ‘‘to conduct an in camera fishing
    expedition through the government’s files’’), cert.
    denied, 
    504 U.S. 926
    , 
    112 S. Ct. 1982
    , 
    118 L. Ed. 2d 580
    (1992), and cert. denied sub nom. Mondejar v. United
    States, 
    504 U.S. 926
    , 
    112 S. Ct. 1982
    , 
    118 L. Ed. 2d 580
    (1992), and cert. denied, 
    504 U.S. 926
    , 
    112 S. Ct. 1983
    ,
    
    118 L. Ed. 2d 581
    (1992); United States v. Navarro,
    
    737 F.2d 625
    , 631 (7th Cir.) (‘‘Mere speculation that
    a government file may contain Brady material is not
    sufficient to require a remand for in camera inspection,
    much less reversal for a new trial. A due process stan-
    dard [that] is satisfied by mere speculation would con-
    vert Brady into a discovery device and impose an undue
    burden upon the [D]istrict [C]ourt.’’), cert. denied, 
    469 U.S. 1020
    , 
    105 S. Ct. 438
    , 
    83 L. Ed. 2d 364
    (1984), and
    cert. denied sub nom. Mugercia v. United States, 
    469 U.S. 1020
    , 
    105 S. Ct. 438
    , 
    83 L. Ed. 2d 364
    (1984).
    Several weeks after the court’s ruling on the motions
    to quash, defense counsel informed the court that he
    had reviewed the recording of the conversation
    between the defendant’s brother, Dennis, and their
    mother, which had been turned over to him pursuant to
    the court’s ruling, and that it did not contain exculpatory
    material as he had been led to believe. At the same
    time, defense counsel asked that all of the 1552
    recordings that had not been turned over to the defense
    be compiled onto compact discs and marked as an
    exhibit for purposes of appeal, if necessary. The state
    opposed the defendant’s request, arguing that such an
    order would place an onerous and undue burden on
    the department because the department, in accordance
    with established policy, would be required to review
    each of the recordings to prevent disclosure of irrele-
    vant, sensitive or personal information, such as inmate
    medical information. The state also expressed concern
    that, if the department were to review any recordings
    not already reviewed, the state could be charged with
    constructive knowledge of their contents in light of
    the court’s prior ruling that the department was an
    investigative arm of the state to the extent that it actu-
    ally had reviewed calls of the codefendants. To address
    these concerns of the state, the court ordered that the
    1552 recordings be filed with the court under seal so
    as to relieve the department of the need to review them
    prior to submitting them to the court. The court further
    stated that, ‘‘if [the department], of its own volition,
    decides to review these 1552 calls for its own adminis-
    trative purposes, that does not expand the state’s attor-
    ney’s Brady obligation because it’s not being reviewed
    for investigative purposes. It’s being reviewed for [the
    department’s] own institutional needs.’’
    The case then proceeded to trial, and the defendant
    was convicted of assault in the first degree, conspiracy
    to commit assault in the first degree and tampering
    with physical evidence, and found in violation of proba-
    tion. The trial court sentenced the defendant to a total
    effective sentence of thirty-four years imprisonment,
    followed by ten years of special parole.
    The defendant appealed to the Appellate Court, claim-
    ing, inter alia, that, because all 1552 recordings were
    part of the state’s investigatory file, the state had an
    affirmative duty under Brady to review them, irrespec-
    tive of the defendant’s inability to establish a reasonable
    prospect that they contain exculpatory information.
    The defendant argued that ‘‘[t]he state’s Brady obliga-
    tion . . . extended to any exculpatory evidence pro-
    duced by its investigation, including the [1552]
    recordings,’’ and that the state was deemed to have
    constructive knowledge of the contents of each of those
    recordings, ‘‘regardless of whether the material [was]
    actually . . . reviewed by the department or the state
    . . . .’’ (Emphasis added.) State v. 
    Guerrera, supra
    , 
    167 Conn. App. 86
    . The state responded that any of the 1552
    calls that remained unreviewed were not ‘‘produced
    by’’ or otherwise a part of the state’s investigation but,
    rather, were identified and ultimately preserved under
    seal at the express request of the defendant. See State v.
    Guerrera, Conn. Appellate Court Briefs & Appendices,
    February Term, 2016, State’s Brief pp. 18–19. Thus, the
    state contended, any principal-agent relationship that
    existed between the state and the department with
    respect to the calls that the department did review did
    not extend to those calls. 
    Id., p. 19.
       In addressing the defendant’s Brady claim, the Appel-
    late Court appeared to assume without deciding that
    the 1552 calls, none of which had ever been reviewed
    by the department or the state, were part of the state’s
    investigatory file such that the state could be charged
    with constructive knowledge of their contents. State v.
    
    Guerrera, supra
    , 
    167 Conn. App. 88
    . The Appellate
    Court explained, however, that, ‘‘[s]imply because the
    state and the department might be deemed to have
    constructive knowledge of the contents of the
    recordings does not necessarily indicate that the
    recordings in fact contained evidence favorable to the
    defense, as required by the Brady test.’’ (Internal quota-
    tion marks omitted.) 
    Id. Specifically, the
    Appellate
    Court stated: ‘‘[T]here is nothing to indicate that the
    evidence contained in the recordings is even potentially
    helpful to the defendant. The defendant provided the
    court with no evidence that any exculpatory informa-
    tion was recorded at all. Indeed, at the hearing on the
    motion[s] to quash, counsel for the defendant conceded
    that ‘I can’t cite anything exculpatory, [but] there may
    very well be exculpatory information that is not being
    turned over because nobody listened to it.’ ’’ 
    Id., 90. In
    support of its conclusion, the Appellate Court cited
    State v. Colon, 
    272 Conn. 106
    , 267, 
    864 A.2d 666
    (2004),
    cert. denied, 
    546 U.S. 848
    , 
    126 S. Ct. 102
    , 
    163 L. Ed. 2d 116
    (2005), in which this court ‘‘distinguish[ed] between
    [a] valid Brady violation claim [that] the state with[eld]
    exculpatory information and [the] claim [of the defen-
    dant in Colon] that he was entitled to an opportunity
    to sift through the records of the [O]ffice of the [C]hief
    [S]tate’s [A]ttorney in search of a potential Brady viola-
    tion.’’ (Emphasis omitted; internal quotation marks
    omitted.) State v. 
    Guerrera, supra
    , 
    167 Conn. App. 89
    .
    In light of Colon, and because the present case is readily
    distinguishable from cases, such as Demers v. 
    State, supra
    , 
    209 Conn. 143
    , that involve the state’s obligation
    to secure the disclosure of Brady material located in
    the files of the police department that conducted the
    investigation of the case; see 
    id., 153–54; the
    Appellate
    Court concluded that the state had no duty ‘‘to conduct
    a more thorough investigation into the voluminous
    recordings preserved by the department.’’ State v. Guer-
    
    rera, supra
    , 90. The Appellate Court reasoned that,
    unlike the state’s attorney’s office in Demers that had
    ready access to a report generated by the investigating
    police department, the state in the present case did not
    have such easy access to the contents of the conversa-
    tions at issue. ‘‘Reviewing an easily available police
    report; Demers v. 
    State, supra
    , [153]; for exculpatory
    information is a very different venture from ordering
    the department to listen to more than 1000 phone calls,
    none of which has been claimed to contain material
    that would be useful to the defense.’’ (Internal quotation
    marks omitted.) State v. 
    Guerrera, supra
    , 90 n.3.
    We granted the defendant’s petition for certification
    to appeal, limited to the issue of whether the Appellate
    Court correctly determined that the state’s attorney had
    no obligation to examine ‘‘[the state’s] own investiga-
    tory file’’ for Brady material unless the defendant first
    made an adequate showing that the file contains excul-
    patory information. State v. 
    Guerrera, supra
    , 
    323 Conn. 922
    . On appeal, the defendant asserts, inter alia, that the
    state’s attorney had a duty to review all 1552 recordings
    because ‘‘the [department’s] choice to lock the calls was
    made in furtherance of the [department’s] investigatory
    efforts [on behalf of the state] and thus within the scope
    of the agency found by the trial court.’’ The state argues
    that the calls were not locked as part of the state’s
    investigation but, rather, were locked in response to
    the defendant’s subpoena, and were never reviewed,
    and, consequently, they do not fall within the scope of
    the agency found by the trial court. The state further
    maintains that the defendant’s assertions to the con-
    trary are ‘‘misleading and inconsistent with the record,’’
    and that this court should reject the defendant’s
    ‘‘attempt to support his Brady claim . . . with the false
    notion that the compiling of [the] unreviewed
    recordings was the state’s doing . . . .’’
    We begin our review of the defendant’s claim with a
    summary of the law governing our disposition of that
    claim. The state has a duty under Brady to disclose to
    the accused evidence that is both favorable to the
    defense and material to the case. E.g., Adams v. Com-
    missioner of Correction, 
    309 Conn. 359
    , 369–70, 
    71 A.3d 512
    (2013). As the state’s representative, the prosecutor
    has a ‘‘broad obligation to disclose’’ Brady material
    because principles of fundamental fairness demand no
    less. Strickler v. Greene, 
    527 U.S. 263
    , 280–82, 
    119 S. Ct. 1936
    , 
    144 L. Ed. 2d 286
    (1999). This obligation extends
    to evidence favorable to the defense that is not in the
    possession of the individual prosecutor responsible for
    trying the case; indeed, the obligation may encompass
    such evidence even if it is not known to the prosecutor.
    
    Id., 280–81. More
    specifically, the prosecutor’s duty of
    disclosure extends to Brady material that is ‘‘known
    to the others acting on the government’s behalf in [the]
    case,’’ including, but not limited to, the police. (Internal
    quotation marks omitted.) 
    Id., 281, quoting
    Kyles v.
    
    Whitley, supra
    , 
    514 U.S. 437
    ; see also Demers v. 
    State, supra
    , 
    209 Conn. 153
    (‘‘[t]he [s]tate’s duty of disclosure
    is imposed not only [on] its prosecutor, but also on the
    [s]tate as a whole, including its investigative agencies’’
    [internal quotation marks omitted]). In other words, the
    prosecutor is deemed to have constructive knowledge
    of Brady material possessed by those acting on the
    state’s behalf. See, e.g., Demers v. 
    State, supra
    , 153
    (explaining that, if investigating agency were deter-
    mined to be in possession of exculpatory material, then
    court ‘‘would be compelled to conclude that, construc-
    tively, the [s]tate’s attorney had both access to and
    control over’’ that material). Thus, the prosecutor has
    a duty to learn of exculpatory evidence in the posses-
    sion of any entity that is acting as an agent or arm of
    the state in connection with the particular investigation
    at issue. See Strickler v. 
    Greene, supra
    , 281. Finally,
    and importantly, ‘‘the propriety of imputing knowledge
    [of exculpatory evidence] to the prosecution is deter-
    mined by examining the specific circumstances of the
    person alleged to be an arm of the prosecutor.’’ (Internal
    quotation marks omitted.) United States v. 
    Stewart, supra
    , 
    433 F.3d 298
    .
    Consistent with the state’s contention, it is apparent
    that the certified question is predicated on a fundamen-
    tal misapprehension of the record, namely, that the 1552
    calls—none of which was reviewed by the depart-
    ment—were identified and preserved in furtherance of
    the state’s investigation. When questioned by the trial
    court about this precise issue, Lavery stated that he had
    locked the calls solely to comply with the defendant’s
    subpoena, in order to ensure that they would not be
    erased pending a decision on the motions to quash.
    Moreover, when Lavery was questioned by the depart-
    ment’s counsel, he was asked, ‘‘[w]as that part of the
    regular monitoring process to lock those [1552 calls]?’’
    After Lavery responded ‘‘no,’’ he was asked, ‘‘[o]r is
    that specific to the subpoena [the defendant] sent?’’
    Lavery responded, ‘‘I did it for the subpoena.’’ There is
    nothing in the trial court record to contradict or other-
    wise call into question this clear and straightforward
    testimony that the calls were preserved in accordance
    with the department’s obligation in light of the sub-
    poena that had been served on the department by the
    defendant, and not as part of the department’s monitor-
    ing process as requested by the state’s attorney.
    Furthermore, it is undisputed that the department
    reviewed only approximately 10 percent of the calls in
    response to the state’s request for monitoring. Because
    the state never pursued a request that the department
    review all of the codefendants’ calls and never itself
    undertook to obtain and review any of the remaining
    calls, the state’s investigation with respect to the
    recordings in the department’s possession was limited
    to the 10 percent of the calls that the department actu-
    ally did review. Because that review was undertaken
    by the department at the state’s request, the department
    was acting as an agent or arm of the state in conducting
    that review, and, as a result, the recordings actually
    reviewed must be characterized as part of the state’s
    investigatory file. Consequently, the trial court correctly
    determined that the state’s obligations under Brady
    extended to those particular recordings. There simply
    is no basis for concluding, however, that the calls that
    never were reviewed by the department or otherwise
    obtained by the state, and that were temporarily saved
    on the department’s server for reasons unrelated to the
    state’s investigation, constituted a part of that investiga-
    tory file. This is so because, as we have explained, the
    department was acting as an investigative arm or agent
    of the state only with respect to the 10 percent of the
    calls that Lavery reviewed. Put differently, neither the
    state nor the department took any action with respect
    to those unreviewed calls that would make the calls
    part of the state’s investigation of the defendant’s case;
    rather, their nature and character as calls recorded
    solely for the department’s internal security and admin-
    istrative purposes remained unchanged. Accordingly,
    in the absence of an appropriate showing by the defen-
    dant of at least some likelihood that those calls contain
    exculpatory information, the trial court also correctly
    determined that the state had no duty under Brady
    either to examine those calls or to obtain them and
    make them available to the defendant for his review.
    On appeal to the Appellate Court, however, the defen-
    dant repeatedly argued that the calls were locked in
    response to the state’s request for monitoring and,
    therefore, should be deemed to be part of the state’s
    investigatory file. Specifically, the defendant argued
    that, ‘‘[w]hile the trial court found [the department]
    subject to Brady as an investigative arm of the state’s
    attorney (like the police), it only found that [the depart-
    ment’s] Brady obligations extended to the recordings
    [the department] actually reviewed . . . and not to the
    calls [the department] collected on behalf of the state’s
    attorney but did not actually review . . . .’’ (Emphasis
    added.) State v. Guerrera, Conn. Appellate Court
    Briefs & 
    Appendices, supra
    , Defendant’s Brief p. 9. The
    defendant further argued that, ‘‘[i]n other words, the
    [department’s] actions on behalf of the state’s attorney
    involved both collection on a compact disc (through
    the ‘locking’ procedure) and review. Thus, the state’s
    argument [that the department was not acting on behalf
    of the state when it locked the 1552 calls] fails—the
    [department] was acting on behalf of the state’s attorney
    in both locking (i.e., preserving) the calls and in
    reviewing only 10 percent of them.’’ (Emphasis altered.)
    State v. Guerrera, Conn. Appellate Court Briefs &
    
    Appendices, supra
    , Defendant’s Reply Brief p. 4.
    In his appeal to this court, the defendant reasserts
    his contention that the recordings are part of the state’s
    investigatory file because they were locked in response
    to the state’s request for monitoring.12 As we discussed
    previously, however, this claim is belied by the uncon-
    tested facts. Significantly, the defendant’s brief makes
    no mention of the subpoena that the defendant caused
    to be served on the department on August 15, 2013.
    When challenged at oral argument before this court
    as to the basis for the defendant’s assertion that the
    recordings were locked in response to the state’s
    request for monitoring, his appellate counsel cited
    Lavery’s testimony at the hearing on the motions to
    quash: ‘‘When I receive[d] a subpoena for the phone
    calls for the other four [co]defendants, I went back and
    started locking them . . . . I locked [the calls] for the
    subpoena just so we made sure we had access.’’ It is
    clear, however, that the subpoena to which Lavery was
    referring was the defendant’s subpoena because no
    other subpoena was served on the department in this
    case.
    The defendant also seeks to characterize the follow-
    ing language from the trial court’s memorandum of
    decision as a factual finding that the department locked
    the calls in response to the state’s request for monitor-
    ing: ‘‘Lavery locked all calls made by the four codefen-
    dants from approximately August, 2012, to the present.’’
    This statement, however, merely establishes that the
    calls were locked, not why they were locked. It is clear
    from the record that the trial court was aware that
    the calls were locked to comply with the defendant’s
    subpoena. Indeed, this information was elicited from
    Lavery under questioning by both the court itself and
    counsel for the department. Lastly, the defendant seeks
    to characterize the following sentence in the state’s
    brief to this court as an admission by the state that
    the calls were locked at the state’s request: ‘‘[U]pon
    receiving the state’s request . . . Lavery . . . took
    steps to preserve all recorded phone calls and jailhouse
    visits for all four alleged coconspirators.’’ As we
    explained, however, this statement is at odds not only
    with Lavery’s testimony but with all of the state’s argu-
    ments elsewhere in its brief and in the Appellate Court.13
    Contrary to the defendant’s contention, therefore, we
    do not read the statement as an admission of any sort
    but merely as an unintended misstatement that is con-
    travened by the entirety of the state’s arguments
    throughout both its briefs and arguments in the trial
    court, the Appellate Court and this court.
    At no time on appeal to the Appellate Court or to
    this court has the defendant argued that the state had
    a duty under Brady to review the recordings at issue
    for exculpatory material, even if they were determined
    not to be part of the state’s investigatory file. Indeed,
    in his brief to this court, the defendant takes pains to
    distinguish the present case from cases such as United
    States v. Brooks, 
    966 F.2d 1500
    (D.C. Cir. 1992), which,
    as the trial court explained, recognized that such a duty
    may be imposed on the state, even though the alleged
    Brady material is not within the possession of the prose-
    cution or any agency acting on the prosecution’s behalf,
    when the review sought is so limited in scope that it
    would be ‘‘very easy’’ to accomplish and the defendant
    is able to establish ‘‘a [nontrivial] prospect that the
    examination might yield material exculpatory informa-
    tion . . . .’’14 
    Id., 1504; see
    also United States v. Joseph,
    
    996 F.2d 36
    , 41 (3d Cir.) (‘‘We will not interpret Brady
    to require prosecutors to search their unrelated files
    to exclude the possibility, however remote, that they
    contain exculpatory information. . . . [W]e hold
    [rather] that [when] a prosecutor has no actual knowl-
    edge or cause to know of the existence of Brady mate-
    rial in a file unrelated to the case under prosecution,
    a defendant, in order to trigger an examination of such
    unrelated files, must make a specific request for that
    information—specific in the sense that it explicitly iden-
    tifies the desired material and is objectively limited in
    scope.’’ [Citation omitted.]), cert. denied, 
    510 U.S. 937
    ,
    
    114 S. Ct. 357
    , 
    126 L. Ed. 2d 321
    (1993). In reaching its
    decision in Brooks, the court surmised that the ‘‘will-
    ingness [of some courts] to insist on an affirmative duty
    of inquiry’’ in light of the particular facts and cir-
    cumstances involved—ordinarily, an inquiry into files
    ‘‘maintained by branches of government closely aligned
    with the prosecution’’—‘‘may stem primarily from a
    sense that an inaccurate conviction based on gov-
    ernment failure to turn over an easily turned rock is
    essentially as offensive as one based on government
    [nondisclosure].’’ (Internal quotation marks omitted.)
    United States v. 
    Brooks, supra
    , 1503.
    The defendant argues that Brooks is inapposite
    because ‘‘[it] involved a defense request for the prosecu-
    tion to affirmatively conduct an investigation that had
    not yet been performed by affirmatively searching gen-
    eral government files,’’ whereas, in the present case,
    ‘‘[t]he defense was not asking the state’s attorney or
    the [department] to perform an investigation that [it
    was] otherwise unwilling to conduct. The defense sim-
    ply wanted the state to review the materials it had
    already gathered in its [own] investigation . . . .’’
    (Emphasis in original.) Consistent with this contention,
    the defendant notes that the cases cited in his brief are
    dissimilar to Brooks in that all of them ‘‘involve . . .
    investigatory files linked specifically to [the] case,’’15
    rather than the ‘‘general government files’’ at issue in
    Brooks. (Emphasis omitted.) The defendant’s argument
    founders on the fact that the calls at issue in the present
    case simply are not part of the state’s investigatory file.
    As in Brooks, this case involves a defense request—in
    the form of a subpoena—for a search of a government
    agency’s general files, namely, the department’s server,
    that would not otherwise have been performed but for
    the defendant’s request. Cf. Stevenson v. Commissioner
    of Correction, 
    165 Conn. App. 355
    , 364, 368, 
    139 A.3d 718
    (prosecutor had no duty under Brady to disclose
    internal department files that were generated at request
    of public defender’s office for purely administrative
    purposes, not in conjunction with state’s investigation),
    cert. denied, 
    322 Conn. 903
    , 
    138 A.3d 933
    (2016). In
    stark contrast to Brooks, however, it can hardly be said
    that the review of the calls sought by the defendant is
    limited in scope—those calls number more than 1500,
    and it would take hundreds of hours to listen to them—
    and the defendant has provided no evidence to suggest
    that any such review would result in exculpatory infor-
    mation.16
    In sum, the undisputed facts demonstrate that the
    calls at issue in this case, that is, the 1552 calls that were
    not reviewed by the department, cannot reasonably be
    characterized as part of the state’s investigatory file.
    Consequently, the defendant’s claim that he was enti-
    tled to a review of those calls because they were part
    of the file must fail. In light of the fact that the defendant
    has provided no other rationale to support his claim of
    a Brady violation, and because we are unaware of any
    such alternative basis for relief, we reject his assertion
    that the Appellate Court incorrectly concluded that the
    trial court properly granted in part the state’s and the
    department’s motions to quash.
    The judgment of the Appellate Court is affirmed.
    In this opinion the other justices concurred.
    * This case was originally argued before a panel of this court consisting
    of Chief Justice Rogers and Justices Palmer, McDonald, Robinson, D’Auria
    and Espinosa. Thereafter, Chief Justice Rogers and Justice Espinosa retired
    from this court and did not participate in the consideration of the case.
    Justices Mullins, Kahn and Ecker were added to the panel and have read
    the briefs and appendices, and listened to a recording of oral argument
    prior to participating in this decision.
    The listing of justices reflects their seniority status on this court as of
    the date of oral argument.
    1
    In Brady, the United States Supreme Court held that the due process
    clause of the United States constitution requires the state to disclose ‘‘evi-
    dence favorable to an accused . . . [when] the evidence is material either
    to guilt or to punishment, irrespective of the good faith or bad faith of the
    prosecution.’’ Brady v. 
    Maryland, supra
    , 
    373 U.S. 87
    . For an accused to
    prevail on a claim under Brady, ‘‘[t]he evidence at issue must be favorable
    to the accused, either because it is exculpatory, or because it is impeaching;
    that evidence must have been suppressed by the [s]tate, either [wilfully] or
    inadvertently; and prejudice must have ensued.’’ Strickler v. Greene, 
    527 U.S. 263
    , 281–82, 
    119 S. Ct. 1936
    , 
    144 L. Ed. 2d 286
    (1999).
    2
    Although the record is not entirely clear on this point, it does not appear
    that any of these more than 1500 calls and visits were among the 10 percent
    of the calls and visits that already had been reviewed by the department at
    the state’s request.
    3
    The defendant, who had been tried under three separate informations
    consolidated for trial, was acquitted of the charges of unlawful restraint in
    the first degree and conspiracy to commit murder. The jury was unable to
    reach a verdict as to the charges of murder, felony murder, conspiracy to
    commit kidnapping in the first degree, and kidnapping in the first degree,
    and the trial court declared a mistrial as to those charges. In a trial to the
    court, the defendant was found in violation of probation.
    4
    As we explain more fully hereinafter, the state’s obligations under Brady
    ordinarily extend only to exculpatory information contained in the state’s
    investigatory file, which includes any exculpatory information known to
    others actively involved in the investigation. See Strickler v. Greene, 
    527 U.S. 263
    , 280–82, 
    119 S. Ct. 1936
    , 
    144 L. Ed. 2d 286
    (1999). Thus, we use
    the term ‘‘investigatory file’’ to refer to any and all information obtained in
    connection with the investigation into a particular criminal case, whether
    that investigation was undertaken by the state or by others involved in that
    investigation as an arm of the state.
    5
    This court has broad discretion to address any issue within the scope
    of the certified question, even if the issue was not considered by the Appellate
    Court. See, e.g., McManus v. Commissioner of Environmental Protection,
    
    229 Conn. 654
    , 661 n.6, 
    642 A.2d 1199
    (1994).
    6
    For ease of reference, we refer hereinafter to the inmate telephone calls
    and noncontact visits collectively as the calls or recordings.
    7
    We note that the record does not reflect whether the department owns
    or licenses any of the various commercially available software solutions,
    which are regularly used in the discovery process for civil litigation and in
    corporate compliance operations, to review or analyze large amounts of
    digital data at a much faster rate than a human could review the same data.
    8
    This estimate was so broad because the department had not determined
    the length of each call.
    9
    Although Lavery did provide notes on one or more of the calls he reviewed
    at the request of the state’s attorney, he apparently did not lock those calls,
    perhaps because they did not contain any evidence deemed to be inculpatory
    or exculpatory.
    10
    The trial court originally estimated the number of those calls to be 1300.
    Thereafter, however, the court clarified that there were 1552 such calls.
    11
    As we previously noted, the department locked the calls of the defen-
    dant’s four codefendants in August, 2013, in response to the subpoena issued
    by the defendant to the department at that time. Because the regular practice
    of the department prior to July, 2012, was to preserve all calls for only
    ninety days, it appears that the calls identified in the trial court’s order—
    that is, those that had been reviewed by Lavery—were not preserved. There
    is no claim by the defendant, however, that any failure to preserve them
    violated Brady or otherwise was improper.
    12
    For example, in his petition for certification to appeal, the defendant
    asserted that, ‘‘[a]fter [the defendant] and the codefendants were arrested,
    the state’s attorney contacted the [department]. At the state’s request,
    [Lavery] ‘locked’ the recordings of prison calls made by [the defendant] and
    the codefendants. . . . [W]hile Lavery created a file (the compact disc) of
    all of the call recordings, Lavery only actually reviewed about 10 percent
    of them. The other 90 percent remained within the investigative file of the
    state’s attorney’s ‘investigative arm,’ the [department], but [they were] never
    reviewed by anyone for exculpatory information.’’ (Emphasis in original.)
    In his brief to this court, the defendant likewise argues that Lavery ‘‘lock[ed]
    [his codefendants’] calls that were still available after receiving the state’s
    attorney’s request [for monitoring]’’; Lavery ‘‘collected on behalf of the
    [s]tate’s [a]ttorney [the 1552 calls] but did not actually review [them]’’;
    ‘‘Lavery did ‘lock’ calls that were still available after receiving the state’s
    attorney’s request’’ and that ‘‘[t]he ‘locking’ process preserves the calls on
    compact discs, and Lavery was able to lock all the available calls from the
    codefendants from August, 2012, forward’’; ‘‘[t]he fact that the [department]
    chose to lock the calls for later review in furtherance of its investigative
    efforts does not bring that action outside the scope of the [department’s]
    agency’’; and ‘‘the [department’s] choice to lock the calls was made in
    furtherance of the [department’s] investigatory efforts and thus within the
    scope of the agency found by the trial court.’’ (Emphasis omitted.)
    13
    At oral argument, the defendant also directed this court’s attention to
    the testimony of Deputy Warden Armando Valeriano, who testified about
    the department’s policies pertaining to the recording and monitoring of
    inmate phone calls. The defendant argued that Valeriano’s testimony is
    further proof that the 1552 recordings were locked as part of the state’s
    investigation because Valeriano responded ‘‘yes’’ when asked by the trial
    court, ‘‘[w]hen you get a request from the state’s attorney’s office, as in this
    case, to monitor calls, are those recordings then preserved [s]o they won’t
    be destroyed or written over in the normal course of business . . . ?’’ It is
    clear, however, that Valeriano was referring to the preservation that occurs
    automatically, because he then immediately stated that, ‘‘[w]ith this new
    system,’’ inmate calls ‘‘are automatically saved for one year. All inmate calls
    are saved for 365 days,’’ at which time ‘‘[t]hat first call drops off. . . . It’s
    automatic through the system.’’ Thus, Valeriano did not testify that the 1552
    calls were retrieved from the server and locked for reasons related to the
    state’s investigation. He merely testified that inmate calls are preserved for
    a period of one year during which time they are available for review if the
    department should receive such a request. To the extent that there is any
    ambiguity in Valeriano’s testimony, however, the trial court dispelled it later
    in the hearing, during its colloquy with Lavery, when it asked him: ‘‘I’m a
    little confused. Help me out here. I thought Deputy Warden Valeriano . . .
    said that once a request comes in all the phone calls are preserved. So when
    [the state’s] request came in [in] March of 2011, [were] all the phone calls
    [of] the people who you were asked to monitor . . . preserved or not?’’
    Lavery responded that they were not preserved.
    14
    In Brooks, the defendant requested that the government examine certain
    readily identifiable files of its police department for information relating to
    the suspicious death of the government’s chief witness, a police officer
    employed by that department whose testimony at an earlier trial, which
    resulted in a guilty verdict that was overturned when the court granted a
    motion for new trial, was used to convict the defendant at a second trial.
    United States v. 
    Brooks, supra
    , 
    966 F.2d 1501
    –1503. The United States District
    Court had rejected the defendant’s request, and, on appeal from that convic-
    tion, the United States Court of Appeals for the District of Columbia deter-
    mined that the defendant was entitled to an examination of those files by
    the government due to the unusual circumstances surrounding the witness’
    death, which gave rise to the possibility that she had work-related problems
    that might reflect adversely on her credibility. 
    Id., 1503–1504. The
    District
    of Columbia Circuit Court of Appeals therefore remanded the case to the
    District Court so that the government could undertake such an examination.
    
    Id., 1504. 15
          See, e.g., United States v. Price, 
    566 F.3d 900
    , 908–10 (9th Cir. 2009)
    (prosecutor was charged with constructive knowledge of information known
    to police officers involved in investigation); In re Sealed Case No. 99-3096
    (Brady Obligations), 
    185 F.3d 887
    , 893–96 (D.C. Cir. 1999) (prosecutor
    had duty to search his own files and police department files for witness
    cooperation agreements); United States v. Payne, 
    63 F.3d 1200
    , 1208 (2d
    Cir. 1995) (‘‘[t]he individual prosecutor is presumed to have knowledge of
    all information gathered in connection with the government’s investigation’’),
    cert. denied, 
    516 U.S. 1165
    , 
    116 S. Ct. 1056
    , 
    134 L. Ed. 2d 201
    (1996); United
    States v. Martoma, 
    990 F. Supp. 2d 458
    , 462 (S.D.N.Y. 2014) (when prosecutor
    and another government agency conducted joint investigation, prosecutor
    had duty to review other agency’s investigatory files for exculpatory evi-
    dence); United States v. Gupta, 
    848 F. Supp. 2d 491
    , 495 (S.D.N.Y. 2012)
    (‘‘whe[n] the [g]overnment and another agency decide to investigate the
    facts of a case together . . . the [g]overnment has an obligation to review
    the documents arising from those joint efforts to determine whether there
    is Brady material that must be disclosed’’); United States v. Salyer, 
    271 F.R.D. 148
    , 155 (E.D. Cal. 2010) (government must review its own file, no
    matter how voluminous, for Brady material); United States v. W. R. Grace,
    
    401 F. Supp. 2d 1069
    , 1075–1076 (D. Mont. 2005) (same).
    16
    We do not suggest that, if the state has a disclosure obligation under
    Brady with respect to certain information or materials, that obligation is
    diminished or reduced depending on how burdensome it may be for the
    state to discharge that obligation. On the contrary, the state’s obligation
    under Brady is the same irrespective of how onerous or difficult it may be
    for the state to comply with Brady’s dictates in any given case. The nature
    of the burden on the state may be considered only in circumstances, akin
    to those in Brooks, in which the court is asked to require the state to
    track down information that is not part of the state’s investigatory file and
    otherwise may not fall strictly within the requirements of Brady but that,
    nevertheless, should, in fairness, be made available to the defense given the
    nature of the information and the ease with which the state can obtain it.