>> narrator: both beavers and mitchell will soon meet with disciplinary officer hale, who will determine how much time they will each get in segregation -- a solitary-confinement unit or, among other things, they're locked in their cells 23 hours per day. >> they're not allowed visits. they're not allowed to go to the gym. they're not allowed to have books. the only thing they can have is legal material that pertains to their case. >> narrator: most inmates don't like to fight, but some relish violence. >> i love to fight. excuse my french [bleep] i want to fight. [ laughs ] >> are you good at it? >> fighting? i ain't never been beat. call me the white tyson. >> narrator: brian voltz is currently serving six months for an act of violence, though the victim was anything but a