Utah. R. Evid. 617
Effective November 1, 2019
2019 Advisory Committee Note: This rule ensures that when called upon, a trial court will perform a gatekeeping function and will exclude unreliable eyewitness identification evidence in a criminal case. Several organizations, including the Department of Justice and the ABA, have published best practices for eyewitness identification procedures when a witness is asked to identify a perpetrator who is a stranger to the witness. As scientific research advances, other factors in addition to those outlined in Subsection (b) may be considered.
Subsection (a) defines terms commonly used in the eyewitness identification process.
Subsection (b) addresses estimator variables (circumstances at the time of the crime). According to the National Research Council of the National Academies, the most-studied estimator variables include: weapon focus, stress and fear, race bias, exposure, duration, and retention. The literature talks about how stress, fear, and anxiety may affect memory storage and retrieval. The ABA recognizes that high and low levels of stress may harm performance in identifying suspects, while moderate levels may enhance memory performance. A stressed victim may encode information differently and be more affected by stress than a passerby, unless the passerby is unaware that a crime is taking place. In addition, the cross-race effect may impact the accuracy of identifications; and the participation of law enforcement and others may influence a witness's perceptions and memory retrieval. Expert evidence may be necessary to elucidate these factors for the court, and where the evidence is admissible, expert evidence and/or an instruction may further elaborate on the factors for the jury.
Subsection (c)(1) reflects some of the best practices in the context of photo array and lineup procedures, including use of double blind procedures; providing instructions to the witness at the beginning of the procedure; displaying photos or presenting a lineup with individuals who generally fit the witness's description of the suspect and who are sufficiently similar so as not to suggest the suspect to the witness; documenting the procedures, including the witness's responses; and guarding against influencing the witness through use of multiple procedures or when multiple witnesses are involved.
Use of double blind procedures. The literature, including the National Academies of Science report, supports that whenever practical, the person who conducts a lineup or organizes a photo array and all those present (except defense counsel) should be unaware of which person is the suspect through use of double blind procedures. Use of double blind procedures provides assurance that an administrator who is not involved in the investigation does not know what the suspect looks like and is therefore less likely to suggest or confirm that the perpetrator is in the lineup or the photo array. At times, double blind procedures may not be practical. In such cases, the administrator should adopt blinded procedures, such as a "folder shuffle," to prevent him or her from knowing which photo a witness is viewing at a given time and to ensure that he or she cannot see the order or arrangement of the photographs viewed by the witness. Blinded procedures may be necessary to use in smaller agencies with limited resources or in high profile cases where all officers are aware of the suspect's identity. As a practical matter, blinded procedures work only for photo arrays and are not recommended for use in lineups. Lineups must be conducted using double blind procedures.
Providing instructions to the witness. The person conducting the lineup or photo array should not disclose or convey to the witness that a suspect is in custody. Rather, the person should read instructions to the witness that are neutral and detached and should allow the witness to ask questions about the instructions before the process begins. The witness should sign and date the instructions. Organizations have published instructions for use in lineup or photo array procedures that may be used by agencies. While a witness is viewing the photo array, the person conducting the procedure should not interrupt the witness or interject.
Displaying photos or presenting a lineup. In selecting fillers or individuals for the photo array or lineup procedure, at least five fillers-or non-suspects-should be used with the suspect photo. Fillers should generally fit the witness's description of the perpetrator as opposed to match a specific suspect's appearance. Fillers should not make the suspect noticeably stand out. Photos should be of similar size with similar background and formatting. They should be numbered sequentially or labeled in a manner that does not reveal identity or the source of the photo, and they should contain no other writing.
Documenting witness responses. Law enforcement should clearly document by video or audio recording a witness's level of confidence verbatim at the time of an initial identification.
Multiple procedures and multiple witnesses. According to the literature, multiple identification procedures create a "commitment effect" in which the witness might recognize a lineup member or photo from a previous procedure, rather than from the crime scene. In addition, when multiple witnesses are involved, a procedure that ensures the suspect is not in the same position for each procedure guards against witnesses influencing one another.
Subsection (c)(2) addresses showup procedures. While some jurisdictions consider showup procedures to be highly suggestive, the procedures may be necessary to law enforcement in assessing eyewitness identification. In that regard, the International Association of Chiefs of Police (IACP) and other organizations recommend that witnesses should not be shown suspects while they are in suggestive settings such as a patrol car, handcuffs, or other physical restraints. Such settings can lead to a prejudicial inference by the witness. Subsection (c)(2) addresses factors to consider in showup procedures. Once law enforcement has probable cause to arrest a suspect, however, a witness should not be allowed to participate in showup proceedings but should participate only in lineup or photo array procedures.
Subsection (c)(3) addresses other factors that may be relevant to the analysis. Those factors may include whether there was no unreasonable delay between the events in question and the identification procedures, among other things.
Subsection (d) addresses the use of photographs at trial that were used by law enforcement in identification procedures.
Subsections (e) and (f) are included because the National Academies of Science (NAS) report recommends both expert testimony and jury instructions due to the fact that many scientifically established aspects of eyewitness identification memory are counterintuitive and jurors will need assistance in understanding the factors that may affect the accuracy of an identification.
Sources: National Research Council, Identifying the Culprit: Assessing Eyewitness Identification (2014), available at https://www.nap.edu/catalog/18891/identifying-the-culprit-assessing-eyewitness-identification; U.S. D.O.J., Eyewitness Identification: Procedures for Conducting Photo Arrays (2017); ABA Statement of Best Practices for Promoting the Accuracy of Eyewitness Identification Procedures (2004); IACP National Law Enforcement Policy Center, Eyewitness Identification: Model Policy (2010).