Absentia

S13, E13: A jewelry store in the West Village is robbed. The owner is killed and a customer visiting from Chicago, Glen Fordyce (Mandy Patinkin) is shot. When the stolen goods turn up at a pawnshop, Briscoe (Jerry Orbach) and Green (Jesse L. Martin) are able to track down the pawner whose description matches the one given by Fordyce as well as the witnesses outside the store. Eddie Travandze (Gene Farber) is their man, and they pick him up and try him for murder. But when it's time for the star witness Fordyce to testify, he is missing. He never got on the plane from Chicago.