dennis profitt is one of the psychologists who works in the unit. >> the rtu program is set up on a three-phase system. the initial phase is set up to receive offenders who generally have been isolated from other offenders because of having been living in segregation. so generally in phase one, a person stays to themselves a lot. phase two is where they're really introduced to the rest of the unit. they have chow together in the day room, they rec together. rehab together. have a lot more groups. so we're getting them oriented to being more socially involved. so the final phase is phase three, and it's set up on ten steps. the first step allowing them to leave the unit all by themselves if they choose, and then each successive step opens them up a little more to general population. so we are gradually moving them back into dealing with general population and the stress involved. >> joe has spent a year in the rtu. >> the last six months i have been kind of easing out with like two or three people at a time that i hang around with or walk and talk with when i'm out for recreation. when i'm on my