and took the towel nd strangled him. when they opened up the door, i tried to throw him off the tier. >> i tore the sheet and wrapped it around his head and i said, nope, you ain't doing nothing. >> but at the brushy mountain correctional complex in tennessee we met two cell mates who were not only successfully living together, but doing so in a maximum security unit, locked up 23 hours per day. >> it's not any kind of fun, stuck in a cell. you go out. me and him go out and work out every day, come back in the cell and watch tv and listen to the radio. that's our life every day. >> sky bishop was sent to the hole when he refused to share his cell with an inmate the prison assigned him. >> what about your cell mate now? >> i've known him for over a year. that's my buddy right there. i don't have any problems with him. we always get along. i had him moved down here. he wanted to move in. makes time a lot easier if you got a roommate you get along