A photo array is used by detectives to show a suspect photograph to a victim or witness of a crime for the purpose of identification. An array consist of the suspect and a number of similar photographs.A forensic artist can adjust the filler photographs to achieve this general similarity.

To the left is the photograph of a possible suspect. A detective needed to make a photo array to show a witness. The suspect's beard at the time of the crime was only a 5 o'clock shadow. The perpetrator was also wearing a wool cap.