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Eyewitness identification (EWID) procedures in the field.

Bulletin Reports
Eyewitness Identification (EWID) Procedures

The American Judicature Society, in collaboration with the Police Foundation, the Innocence Project, and the Center for Problem-Oriented Policing, implemented a national field study to examine eyewitness identification (EWID) procedures in the field. The primary variable tested in the studies was sequential versus simultaneous presentation of photo lineups under double-blind administration where the lineup administrator is not aware of the identity of the suspect. The study found that sequential lineups, in which witnesses viewed one suspect’s photograph at a time, produced fewer mistaken identities. EWID is among the most prevalent and persuasive evidence used in courtrooms and plays a key role in police investigations. The report is available at https://www.ajs.org/judicial-administration/fs/ewid-report/ and http://www.policefoundation.org/content/eyewitness-identification-field-studies.



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