sometimes it helps to draw it out. >> when they asked him to draw it, he couldn't do it. detectives even perhaps inadvertently showed him where the murder occurred. >> bedroom, right back here. >> oh, yes. and there was more. police had always told carol that chris tapp knew things only the killer would know, the location and position of angie's body, the clothes she was wearing. well, now carol could see for herself on tape the reason chris would know those things. carol was stunned to see police had shown tapp photos of the crime scene. >> i want you to tell us if that's how you remember it, if that's how you don't remember it. just going to jog your memory for you and we'll go from there. >> there's times i wanted to put my fist through the tv. >> and finally, remember that the police theory of the crime after dna didn't match tapp or hobbs was that three people committed the murder together.