information six, seven years later. we don't have the actual crime scene. at that time they would have seen blood strains from where he first got shot to where his body was laying to where the bullet projectiles stopped. >> reporter: ellen claimed michael woke her up yelling and fought in the family room where mike slept. >> i'm in the middle of the family room and he's about as far as you and i facing each other. >> reporter: and what happened? >> he came steps forward and i started shooting. >> reporter: using some creative detective work, wilson had an idea. he remember something michael, ellen's son had mentioned in his interview with police. something about a stereo speaker. >> apparently not all of the bullets had went in the body, one went through the bottom of a speaker. i still have that speaker. >> reporter: the detective went back to the house with michael,