Ensure that police put in writing why a suspect is believed to be guilty of a specific crime before placing him or her in a lineup. Use a lineup with several people instead of what is known as a showup only featuring a single suspect. Avoid repetition of a lineup with the same suspect and same eyewitness.

What causes eyewitness misidentification?

Systemic weaknesses in traditional identification procedures that cause misidentification of perpetrators include the following: suggestive instructions to witnesses that cue them to pick the suspect or that fail to mention that the perpetrator may not be in the lineup; use of a lineup administrator who knows the ...

Can eyewitness testimony be improved?

The I-I-Eye method of analyzing eyewitness testimony may improve the effectiveness of eyewitness expert testimony. It not only helps jurors identify and organize the different kinds of eyewitness factors in a case, but it also provides them with a framework for applying them to a case.