none. after all, girlfriend insists matt was home with her 30 miles away. >> same with nick samson's girlfriend. and she passed a polygraph. >> if she would have thought that nick had done this, she would have thrown him under the bus in a heart beat. there was no doubt about that. >> then, the lawyers went looking for evidence of the phone calls matt described in his confession, calls in which and nick supposedly planned the murders and the records revealed there wasn't one call between matt and nick in the days before the murder. >> phone communication never took place. simply didn't occur. >> but couldn't they have used those kind of phones you can buy that you can't trace. >> that's possible but there's no evidence. >> add to that the ballistics