man. prison slang for a janitor at the maximum security unit at the brushy mountain correctional complex in tennessee. >> i work in "b" pod and that's the punitive pod. so i have to deal with individuals who have been in a lot of trouble or some doing hole time. i'm going to have to deal with the ones that's off in they mind a little bit. so some days they may feel like, when i let their flap down that they want to throw doodle on me that day, or urine. this is what we've got to deal with. even they may feel like they may want to throw it on me that day. so, it's things you got to deal with. >> "lockup" crews also stay constantly aware. knowing all too well, they could wind up in the line of fire. >> in my mind that is one of the worst things that could happen. we were shooting at san quentin in alpine section, and we were down on the ground floor. and, suddenly i felt something hit me on the top of my head.