. >> for inmate joseph garner, processing his horrific crime has been the hardest part of his punishmentbeen down 9 1/2 years. i got 22 1/2 more to go. i've been -- my crime is murder, and i cannibalized during the process. >> on christmas night, 1996, joseph thought his father was preventing the second coming of christ. >> i tackled him from behind and somehow got around behind him and slit his throat. and i remember him saying, "please don't kill me." and that's when i realized, oh, my god, what am i doing? i said whatever is done has already been done. by this time, i'm totally wigged out and i pulled his brain out, you know, and took a bite out of it. >> joseph garner's treatment in the rtu helped him assimilate into the level four general population, but still he struggles with his crime. >> oh, it's -- it's heinous. if i had -- i believe in an eye for an eye and tooth for a tooth. if i had my way, i believe they should take my life. even though there were extenuating circumstances that were both mitigating and aggravating, still having crossed that line, it would, therefore, be tha