so marshburn arranged a meeting at the prison. david marshburn: i said, reno, i have this evidence.now because he's like, wait a minute, what evidence? i thought it was all gone. i showed him a picture of the seat belt with the bloodstain, the radio, and the windows. what was his reaction? he shook his head, looked at them. and i said, you can either be a witness or a defendant. it's up to you. did he start talking? he looked at the pictures, looked down, and next thing i know, when he looks up, he's crying. he's got tears streaming down his face. and he said, what do you need to know? nothing would ever prepare me for what would come next. andrea canning: coming up, murder is one thing. this was the stuff of nightmares. david marshburn: i called the dad. and i said, pete-- you don't want to know. and that's when he told me. andrea canning: when dateline continues. if you take or have taken humira for moderate to severe crohn's disease or ulcerative colitis and still have symptoms... you don't have to settle. ask your gastroenterologist if switching to rinvoq is right for you. it's