My first GCM involved eyewitness identification and a motion to suppress based on an improperly suggestive show-up when the client was arrested. He was handcuffed in the back of the police car and the armed robbery victim was brought to the police car and asked ”is that him” or words to that effect. Since then I’ve not had a case where there was a serious question of identification. That said, Prof. Miller, one of my favorite evidence bloggers has this piece.
He first notes that misidentification contributed to 75% of exoneration cases. Then he moves to Mil. R. Evid. 801 and how an out of court identification may not he hearsay.