really bad decisions. >> we were with timothy schreiber on his first day at the limon correctional facility in colorado. >> i have seven months to do, so i don't know what's going to happen after that, but i'm going to segregation. 23-hour lockdown. >> he was nearing parole on a six-year sentence for sexual assault and had just transferred in from another colorado prison. >> i just happened to be down there filming the new inmates coming in, and timothy schreiber immediately said he wanted to be part of the show. >> msnbc, any time you need me, i'll be here. >> and within a very short period of time did something that was so shocking to me, i couldn't believe it. >> i am a sex offender. i'm a violent sexual predator. >> he very loudly started proclaiming himself as a sexual predator. >> an attempted sexual assault on a 13-year-old girl. >> having a sex offense in prison, in some prisons it's tantamount to a death sentence, but in almost any prison facility, you are going to be