Commonwealth v. Thomas

These interlocutory appeals from two rulings on motions to suppress raise three substantial issues regarding eyewitness identification. First, we consider what consequence, if any, is appropriate where a police officer who is showing a photographic array to an eyewitness fails to use the protocol that we outlined in Commonwealth v. Silva-Santiago, 453 Mass. 782, 797-798 (2009), despite our declaration in that opinion that we “expect” police to use the protocol in the future. Second, we examine whether, based on subsequent research, we should revisit the conclusion we reached in…