team never imagined we'd encounter another inmate at wabash with a similar story. then, we were introduced to 47-year-old joseph garner. >> i've been down 9 1/2 years, got 22 1/2 more to go. i've been -- my crime is murder. and i cannibalized during the process. >> garner killed his father on christmas eve, 1995. at the time, he believed his dad was preventing the second coming of christ. again, we'll warn you, his account of the murder is extremely graphic. >> i eventually told him to sit in the chair and not to move and i started singing the battle hymn of the republic, glory, glory hallelujah. and he -- i told him, they're coming. you hear them? i was wigged out completely at that time. and he must have got scared and he jumped up and he tried to push me aside and i thought he was attacking me so i stabbed him in the back and he took about three steps and i tackled