consistent with someone who has fired a firearm, certainly, but they're not extremely high. >> and the defense argued that brian did have gunshot residue on his hands proving he could have killed tammie. >> certainly that's not the only way in which gunshot residue can be had but it is consistent with firing a gun. >> and there was the prosecutions theory that the gun in brian's hand had been placed there after his death, that he could never have held on to it after being shot himself. >> the state claims it would have been impossible for brian to have that gun in his hand given that severe injury that he sustained to his arm. >> that was hogwash. many, many people have a death grip. if you're shot and you have something in your hand, you squeeze it tighter. >> and the idea that brian would never have had a gun, a friend of brett's, robert bauer says that's just not true. he wasn't asked to tell his story in court but says that a