their silence, sergeant daniels makes it clear it could cost them. >> we'll flip this whole place out. everybody go to general population. there's a lot of people in here that want your job. >> eventually several trustees come forward to implicate one of their own. james dean, serving a 90-day sentence for a probation violation on an assault conviction. >> it all started chiming in and everybody pointed to this particular person. he's still innocent until proven guilty. so we have jail investigators that will go up and do their investigation and determine whether or not he's guilty. okay, but he's already locked up, put him in security segregation, he's denying everything, of course. >> never in my possession. >> staff want to question a second inmate. >> what's your name? >> valentine. >> step straight across, put your hands on the wall. >> though gary valentine found the shank and attempted to dispose it, he said it wasn't