i spoke to permentor at florida's liberty correctional institution. the convicted murderers says he's the victim of a justice system that was tilted against him from the start. did you murder karen? >> no. >> this would be a great time to relieve her family of a lot of remorse and fess to it. >> i understand that, but i did not kill karen. i did not. and i'll probably spend the rest of my life here. and when i'm 80 if i'm still alive, i did not kill karen. i'll pay for it and i am paying for it, but i didn't do it. >> the detectives who cracked the case say they might have believed him if only he had not tried so hard to fake his alibi. starting with the three letters written in blood. so the hollywood touch as i think of it, roc did it, the declaration, it bit him. >> it bit him hard. very hard. he outsmarted himself and that's why he is in prison. >> roc is free to ride his harley these days, but it still eats him up that a man he never met tried to frame him for murder. if you could sit down and talk to him just the way we're sitting here, what wou