be shull wanted an explanation to, before she wanted a reaction. >> she played linda's 1993 interviewe a motive would be paul >> do you have any comments? >> very unusual to hear a voice. >> unusual to hear her voice? >> yes. >> it's nostalgic. >> it was nostalgic to hear her voice? >> yes. >> he's a cool customer. >> yes. >> but now it was time to ask the biggest question of all. >> did you kill linda? >> absolutely not. i love her dearly. >> did you have a reason to kill linda? >> absolutely not. it's an open mystery. i mean, it's an unsolved death but -- >> but right but part of its not unsolved. we know what killed knit linda. we know that it was the naked sick nicotine intoxication. >> right. >> and now you show him the report saying that she died within two hours of getting the nicotine. >> right. >> i don't know how to respond to that. >> a man who had always had all the answers suddenly had none. >> i'm kind of taken by surprise. you are dredging up memories that are uncomfortable. >> he still thinks he's going to walk out of that interview. >> at that point, yes he does. >> p