>> no, i did not. >> reporter: so how does he explain his touch dna on kim and jill camm's clothes? david camm, we've shook hands, and he handled my sweatshirt. my skin cells are clearly on him. so anything that he touches can be transferred. >> reporter: while the defense couldn't tell the jury about boney's past, the foot fetish and the armed robberies, we knew the record and asked him about it. >> when people understand your criminal history, the fetishes, what happened in that garage, it does seem to fit your appetites. >> well -- >> this is this guy's history just played out on a violent scale that he'd never been through before. >> well, first of all, my history does not consist of killing women, shooting people period. i've not ever had anything like that in my past. yes, i've been in possession of handguns. yes, when i was 20 years old, i did some armed robberies for cash. >> charles, lemme put this to ya directly, were you in the garage that night with the gun in your hand, taking control of kim camm? >> no, sir. >> kids started to cry, i told you to shut up, shoot the wife