>> i'm the bird man of san quentin. >> mike miller is at san quentin for commercial burglary. he's got roughly eight months left to serve. >> i think the birds is a good way of releasing a lot of tension and anger. before i got arrested, my girlfriend used to chase the birds away. she didn't want me around them. and so, now i'm in here, i have a chance to mingle with the birds. and basically, that's about the only friends i've got are birds. you know, i can't trust anybody else. >> this is the mental health unit at san quentin's infirmary. the inmates who are housed here generally don't have the survival skills needed in prison. susan downs, a prison psychiatrist for more than four