>> during aimee's testimony, the prosecutor played the tape, the sting meeting at the airport. >> you're so stupid. >> i was angry at him. i made the wrong decision. >> that, said the prosecutor, clear as day was an admission that he did indeed commit the murder. how to defend against that? shane's father hired a formidable defense team. guthrie true was one of shane's lawyers. >> if, in fact, someone had actually told you they had engaged in a killing of another person and you continue a romantic relationship with them, that seems a bit odd. >> when the defense cross-examined aimee, she knew it was coming. had to. an attack on her credibility. but could she have suspected how personal it would be? this from true's co-counsel when aimee said she went home with shane that night after he talked about killing someone. >> weren't you concerned about spending the night with somebody who had admitted to you that he had killed someone else? >> i blocked it from my mind.