Johnson, J.
In Newman v. King County, 133 Wn.2d 565, 947 P.2d 712 (1997), we held the “investigative records” exception to the public disclosure act categorically exempted from disclosure all police investigative records in an unsolved, “open” investigation. The question in the present appeal is whether the same categorical exemption we adopted in Newman applies in a case where the suspect has been arrested and the case referred to the prosecutor for a charging decision. Interpreting Newman, the Court of Appeals held all records in a police investigative file are categorically exempt from disclosure pending completion of enforcement proceedings. The Court of Appeals also held a requested booking photograph was separately protected from disclosure under RCW 70.48.100(2), the City and County Jails Act.
We reverse in part and affirm in part.
FACTS
On May 30, 1997, Assistant Spokane City Attorney Milt Rowland was arrested for driving under the influence, reck[475]*475less driving, leaving the scene of an accident, and attempted assault. On the same day as the arrest the Spokane Police Department (Department) officially referred the case to the prosecutor, requesting that charges be filed.
On the day of the arrest, details of the incident were made available orally by a police spokesperson resulting in news stories. On June 3, 1997, a reporter for The Spokesman Review (published by Cowles Publishing Co. (Cowles)) requested a copy of Rowland’s “booking photo” from the Department. On June 6, 1997, a second reporter requested the police report detailing the incident (incident report).
On June 9, 1997, the Department officially responded by letter indicating “[u]pon closure of this case within the judicial system, the Spokane Police Department will release investigative information.” Clerk’s Papers at 9. The letter also stated information would be released if the prosecutor’s office determined “disclosure will not adversely affect the integrity of the case.” Clerk’s Papers at 9. The Department cited to the “bench-bar-press statement of principles and considerations” as part of its decision-making process. Nevertheless, the Department did release the incident report “cover sheet.” This included the name of the defendant, the charge, the name of the officer who was assaulted, and the date, time, and location of the incident. On June 11, the Department officially declined to release the booking photograph, citing again to the bench-bar-press statement as the basis for its decision.
On July 3, 1997, Cowles filed suit seeking court-ordered release of the police report and related records concerning the Rowland incident, as well as the booking photograph. Following argument, but without any in camera review of the documents, the court ruled in favor of Cowles and ordered the release of the police incident report and booking photograph. The Department appealed and a stay was granted.
Initially, the Court of Appeals refused to reach the merits of the case. In an unpublished opinion, the court found the case moot because, just prior to oral argument, the Depart[476]*476ment released the entire investigative file following Rowland’s plea of guilty. Cowles Publ’g Co. v. Spokane Police Dep’t, No. 16870-1-III, 1998 WL 283525 (Wash. Ct. App. June 2, 1998). Upon reconsideration, however, the court withdrew its earlier opinion and issued a decision which reached the merits. Cowles Publ’g Co. v. Spokane Police Dep’t, No. 16870-1-III (Wash. Ct. App. Sept. 3, 1998).
Between the time of the trial court’s decision and oral argument at the Court of Appeals, we decided Newman v. King County, 133 Wn.2d 565. In its September 1998 decision, the Court of Appeals held Newman controlled. Applying Newman, the court reasoned the only inquiry was whether the police investigation was leading to an enforcement proceeding. Finding that it was, the court held the investigation was “open” within the meaning of Newman and, thus, all records in the police investigative file were categorically exempt from disclosure until criminal proceedings were complete.
Citing RCW 70.48.100(2) (with limited exceptions, release of jail records prohibited), the court also found the booking photo was statutorily exempt from disclosure at any time. Accordingly, the Court of Appeals reversed the trial court and held the police were exempt from disclosing both the incident report and the booking photo at the time disclosure was requested. Cowles Publ’g Co., No. 16870-1-III, slip op. at 5 (Sept. 3, 1998).
We granted review.
ANALYSIS
The public disclosure act (PDA), RCW 42.17.250, mandates broad disclosure of all public records upon request. See, e.g., Newman, 133 Wn.2d at 570; Limstrom v. Ladenburg, 136 Wn.2d 595, 603-04, 963 P.2d 869 (1998). Statutory exemptions are narrowly construed and the agency claiming the exemption bears the burden of proving that the documents requested fall within the scope of the exemption. Newman, 133 Wn.2d at 571. In this case, the Department claims, at the time of the request, the investí[477]*477gative records at issue were exempt from disclosure under RCW 42.17.310(l)(d), the “investigative records” exemption. The exemption applies to:
Specific intelligence information and specific investigative records compiled by investigative, law enforcement, and penology agencies, and state agencies vested with the responsibility to discipline members of any profession, the nondisclosure of which is essential to effective law enforcement or for the protection of any person’s right to privacy.
In Newman, we held this exemption protected the entire investigative file in an unsolved murder case. Newman, 133 Wn.2d at 574. Although the decision includes language to the effect that any “open” police investigative file categorically falls within the statutory exemption for “effective law enforcement,” a close reading of the case demonstrates that we were reluctant to have the courts second-guess law enforcement agencies regarding release of sensitive information in unsolved cases:
Requiring a law enforcement agency to segregate documents before a case is solved could result in the disclosure of sensitive information. The determination of sensitive or nonsensitive documents often cannot be made until the case has been solved. This exemption allows the law enforcement agency, not the courts, to determine what information, if any, is essential to solve a case.
Newman, 133 Wn.2d at 574. Thus, in Newman,
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Johnson, J.
In Newman v. King County, 133 Wn.2d 565, 947 P.2d 712 (1997), we held the “investigative records” exception to the public disclosure act categorically exempted from disclosure all police investigative records in an unsolved, “open” investigation. The question in the present appeal is whether the same categorical exemption we adopted in Newman applies in a case where the suspect has been arrested and the case referred to the prosecutor for a charging decision. Interpreting Newman, the Court of Appeals held all records in a police investigative file are categorically exempt from disclosure pending completion of enforcement proceedings. The Court of Appeals also held a requested booking photograph was separately protected from disclosure under RCW 70.48.100(2), the City and County Jails Act.
We reverse in part and affirm in part.
FACTS
On May 30, 1997, Assistant Spokane City Attorney Milt Rowland was arrested for driving under the influence, reck[475]*475less driving, leaving the scene of an accident, and attempted assault. On the same day as the arrest the Spokane Police Department (Department) officially referred the case to the prosecutor, requesting that charges be filed.
On the day of the arrest, details of the incident were made available orally by a police spokesperson resulting in news stories. On June 3, 1997, a reporter for The Spokesman Review (published by Cowles Publishing Co. (Cowles)) requested a copy of Rowland’s “booking photo” from the Department. On June 6, 1997, a second reporter requested the police report detailing the incident (incident report).
On June 9, 1997, the Department officially responded by letter indicating “[u]pon closure of this case within the judicial system, the Spokane Police Department will release investigative information.” Clerk’s Papers at 9. The letter also stated information would be released if the prosecutor’s office determined “disclosure will not adversely affect the integrity of the case.” Clerk’s Papers at 9. The Department cited to the “bench-bar-press statement of principles and considerations” as part of its decision-making process. Nevertheless, the Department did release the incident report “cover sheet.” This included the name of the defendant, the charge, the name of the officer who was assaulted, and the date, time, and location of the incident. On June 11, the Department officially declined to release the booking photograph, citing again to the bench-bar-press statement as the basis for its decision.
On July 3, 1997, Cowles filed suit seeking court-ordered release of the police report and related records concerning the Rowland incident, as well as the booking photograph. Following argument, but without any in camera review of the documents, the court ruled in favor of Cowles and ordered the release of the police incident report and booking photograph. The Department appealed and a stay was granted.
Initially, the Court of Appeals refused to reach the merits of the case. In an unpublished opinion, the court found the case moot because, just prior to oral argument, the Depart[476]*476ment released the entire investigative file following Rowland’s plea of guilty. Cowles Publ’g Co. v. Spokane Police Dep’t, No. 16870-1-III, 1998 WL 283525 (Wash. Ct. App. June 2, 1998). Upon reconsideration, however, the court withdrew its earlier opinion and issued a decision which reached the merits. Cowles Publ’g Co. v. Spokane Police Dep’t, No. 16870-1-III (Wash. Ct. App. Sept. 3, 1998).
Between the time of the trial court’s decision and oral argument at the Court of Appeals, we decided Newman v. King County, 133 Wn.2d 565. In its September 1998 decision, the Court of Appeals held Newman controlled. Applying Newman, the court reasoned the only inquiry was whether the police investigation was leading to an enforcement proceeding. Finding that it was, the court held the investigation was “open” within the meaning of Newman and, thus, all records in the police investigative file were categorically exempt from disclosure until criminal proceedings were complete.
Citing RCW 70.48.100(2) (with limited exceptions, release of jail records prohibited), the court also found the booking photo was statutorily exempt from disclosure at any time. Accordingly, the Court of Appeals reversed the trial court and held the police were exempt from disclosing both the incident report and the booking photo at the time disclosure was requested. Cowles Publ’g Co., No. 16870-1-III, slip op. at 5 (Sept. 3, 1998).
We granted review.
ANALYSIS
The public disclosure act (PDA), RCW 42.17.250, mandates broad disclosure of all public records upon request. See, e.g., Newman, 133 Wn.2d at 570; Limstrom v. Ladenburg, 136 Wn.2d 595, 603-04, 963 P.2d 869 (1998). Statutory exemptions are narrowly construed and the agency claiming the exemption bears the burden of proving that the documents requested fall within the scope of the exemption. Newman, 133 Wn.2d at 571. In this case, the Department claims, at the time of the request, the investí[477]*477gative records at issue were exempt from disclosure under RCW 42.17.310(l)(d), the “investigative records” exemption. The exemption applies to:
Specific intelligence information and specific investigative records compiled by investigative, law enforcement, and penology agencies, and state agencies vested with the responsibility to discipline members of any profession, the nondisclosure of which is essential to effective law enforcement or for the protection of any person’s right to privacy.
In Newman, we held this exemption protected the entire investigative file in an unsolved murder case. Newman, 133 Wn.2d at 574. Although the decision includes language to the effect that any “open” police investigative file categorically falls within the statutory exemption for “effective law enforcement,” a close reading of the case demonstrates that we were reluctant to have the courts second-guess law enforcement agencies regarding release of sensitive information in unsolved cases:
Requiring a law enforcement agency to segregate documents before a case is solved could result in the disclosure of sensitive information. The determination of sensitive or nonsensitive documents often cannot be made until the case has been solved. This exemption allows the law enforcement agency, not the courts, to determine what information, if any, is essential to solve a case.
Newman, 133 Wn.2d at 574. Thus, in Newman, we were concerned both with the difficulty police would have segregating information in unsolved cases, and with the propriety of charging courts with responsibility of determining whether nondisclosure was critical to solving the case — a task which we felt was better left to the professional judgment of the police.
These same concerns are not present in a case, as here, where the suspect has already been arrested and the matter referred to the prosecutor for a charging decision. In such circumstances, the risk of inadvertently disclosing sensitive information that might impede apprehension of [478]*478the perpetrator no longer exists. The Department tacitly admits as much here in that its argument focuses exclusively on protecting the trial process and the privacy rights of the defendant. The Department argues “effective law enforcement” encompasses more than “the police officer’s investigation of the incident,” but necessarily includes “the ability to properly conduct trial preparation, witness examination, and the trial itself.” Pet. for Review at 10.
The Department does not argue that disclosure might have inadvertently compromised apprehension of a suspect, divulged sophisticated police investigative techniques, or disrupted the sharing of information between law enforcement agencies. Unlike Newman, this case does not present a circumstance in which the police are institutionally better suited to determine whether nondisclosure is essential to effective law enforcement. As such, the Department fails to establish in this case how nondisclosure of the requested information meets the requirements of RCW 42.17-.310(l)(d) or falls within the scope of Newman.
As to the protection of the trial process, we have already held not even prosecution files are categorically exempt from disclosure. Limstrom, 136 Wn.2d at 613. Instead, documents are protected from disclosure to the extent they are attorney “work product” under the civil discovery rules. Limstrom, 136 Wn.2d at 613. Generally, nothing in a police investigative file would be considered attorney work product. Thus, even under Limstrom, there would be no protection from disclosure and no burden placed on the requester to show the information is available from other sources. See Limstrom, 136 Wn.2d at 614-15 (if documents are not work product, “as a general matter” they should be disclosed).
Although we agree with the Department that nondisclosure may, under specific circumstances, still be necessary to protect pending enforcement proceedings in an individual case, courts are as qualified to review the potential affect of disclosure on the trial process as are the police or prosecutor. The protection of enforcement [479]*479proceedings is not a circumstance where the police, exercising their professional judgment, are in a better position to make disclosure decisions. Accordingly, to the extent nondisclosure may be necessary in a case such as this, an in camera review by the court is the proper method to determine whether nondisclosure of a document, or portions of a document, is essential to effective law enforcement. See Limstrom, 136 Wn.2d at 615 (in camera review is the only way a court can determine what portion of a document, if any, is exempt from disclosure).
Nor does a defendant’s constitutional right to a fair trial compel categorical nondisclosure of police investigative records. Facts regarding pending criminal prosecutions are often made public prior to trial. This rarely results in the inability to impanel a fair and impartial jury. Similarly, the fact that allegations have not yet been proven is not persuasive of the need to provide blanket protection for purposes of a defendant’s privacy. When a criminal suspect is arrested and charged with a crime there must be some factual basis for this, whether or not all or any of the allegations can be proven beyond a reasonable doubt at trial. The general public is well aware that a person is innocent until proven guilty. Rarely would criminal allegations so devastate the reputation of the suspect that nondisclosure would be necessary to protect against the effect of false accusation. Again, to the extent protection of the trial process or the privacy rights of a suspect are essential in any given case, the trial court should make that factual determination on a case-by-case basis. In any event, under the facts of this case, we are unpersuaded by the Department’s argument. At the time the Department denied the disclosure requests at issue, it had already made all the pertinent details public. Thus, there was no further information left to protect.
In sum, we hold in cases where the suspect has been arrested and the matter referred to the prosecutor, any potential danger to effective law enforcement is not such as to warrant categorical nondisclosure of all records in the police investigative file. In such cases, to the extent [480]*480nondisclosure of records or parts of records is nevertheless necessary, the trial court should conduct an in camera review and make a case-by-case determination of whether nondisclosure is essential to effective law enforcement.
In this case, the only written document at issue is the police “incident report.”1 The Department has not carried its burden of proving that nondisclosure of the incident report was essential to effective law enforcement in this case.2 The report contained only a basic factual description of events. To the extent it contained information supplied by witnesses, these were not formal statements taken in preparation of trial. In short, there is nothing contained in the report the disclosure of which would have harmed pending legal process or compromised the privacy right of the defendant. Accordingly, the incident report in this case should have been disclosed at the time of the request.
As to the booking photograph, the Department claims it was (and is) exempt from disclosure under RCW 70.48.100(2). That statute provides that records of persons confined in jail are to be “held in confidence” and “made available only to criminal justice agencies,” with limited exceptions. An exception permits law enforcement agencies to “use booking photographs of a person arrested or confined in a local or state penal institution to assist them in conducting investigations of crimes.” RCW 70.48.100(3)(a) (emphasis added).
The trial court held the statute did not apply because the request was made to the Department and not the jail. The Court of Appeals reversed, reasoning the statute prohibited release except to assist in criminal investigations. Cowles Publ’g Co., No. 16870-1-III, slip op. at 4-5 (Sept. 3, 1998).
We agree with the Court of Appeals. If jail records become subject to public disclosure simply upon being shared with [481]*481a law enforcement agency, the intent of the Legislature to retain such documents “in confidence” would be easily circumvented since these agencies routinely share such information.
Cowles’ argument that the statute does not apply because the defendant was not in jail at the time of the request is not persuasive. Nothing in the statute suggests that confidential jail records suddenly become open to public inspection when the jail term ends and the defendant is released. Furthermore, the language of the statute plainly contemplates that booking photographs taken at the time of arrest are to be used only to assist law enforcement. Nor is the purpose behind the PDA (review of agency process) furthered by “on demand” release of booking photographs.
We conclude the specific language of RCW 70.48.100(2) limits the use of booking photos to legitimate law enforcement purposes only. We affirm the Court of Appeals on this issue and hold that booking photographs do not fall within the disclosure mandate of the PDA.
Finally, the Department requests attorney fees. However, it cites no authority for its request and devotes no argument to it. We, therefore, award no fees to the Department. See RAP 18.1. Cowles’ request for attorney fees pursuant to RCW 42.17.340(4) is granted insofar as it has prevailed at trial and on appeal. We remand the case to the trial court for determination of such fees.
CONCLUSION
The “investigative records” exception to the PDA does not provide categorical exemption from disclosure to police investigative records in cases where the suspect is arrested and the case referred to the prosecutor. In such cases, police incident reports are presumptively disclosable upon request, unless it can be shown that nondisclosure in a given case is essential to effective law enforcement in that particular case. However, jailhouse and arrest booking photos are exempt from disclosure under RCW 70.48.100(2).
Reversed in part and affirmed in part.
Guy, C.J., and Smith, Madsen, Alexander, and Sanders, JJ., concur.