. >> sergeant val rangel has worked at corcoran since 1988.n 50% of the inmates he releases will return to the california prison system within a year. >> you got no family support, you're right back on the street. no home, nowhere to go, no job. they come back. >> yarberry is met by a representative from the rehab facility. >> boldares is dropped at the train station. he will pay for his ticket out of the $200 he just got. >> he's not used to being out here. and he's used to us giving him direction. now he's on his own. he has to find his way back. they get used it to again. it takes the while to get the feel again of being free but they get used to it. he does have somebody there waiting for him. looks like he stands a good chance of making it. the odds are with him right now. >> but for the rest off the inmates at corcoran, freedom is only something to dream about. >> i don't think prison as deterrent to anything. this is nothing but a punishment place. and it only makes us bitter. it makes us bitter to have to sit back here and be treated t