>> ellen snyder now sitting in jail, detective wilson was trying to determine if the shooting happened the way ellen now said it did. because, after all, how believable wassel en? >> we tried to gather information six, seven years later, we don't have the actual crime scene. at that time they would have seen bloodstreams from where he first got shot to where the body was laying, to where the bullet projectiles had stopped. >> ellen claimed that mike woke her up yelling and they fought in the family room where mike slept. >> i'm in the middle of the family room and he is about as far as you and i facing me. >> what happened? >> he comes steps forward and i start shooting. >> using some creative detective work, wilson had an idea. he remembered something that michael, ellen's son had mentioned in his interview with police.