>> mefford has never fully revealed all of the events that took place that night. he thinks he's finally ready to open up. >> hey, tower. >> but fears what may happen if he tells the whole story. >> you know, in my mind's mind tells me, you know what? suppress it, you know. deal with it yourself and be safe. >> on the yard the inmates have their own form of justice. any information they can get about mefford and his crime could be used against him. but today inmate mefford is finally ready to take the risk. >> hi, everybody.