dr. mary ruth sims routinely checks on the shu inmates. >> i've been here for 7 1/2 years. what i do is different every single day. some days i do groups. some days i do individuals. some days it's crisis all day. hey, did you want me to pick up a letter? was that meant for me? >> yeah. >> how are you doing? >> so i see people when they need to be seen, when they asked to be seen, when somebody else thinks they need to be seen. i will see what's wrong, see what can be done in the institution to help them cope. >> the only way i can get out of this mood, i mean, i don't care, you can give me drugs, alcohol. the only way i can get out of moods is through self-injury. >> okay. >> group therapy in the shoe is conducted with each inmate locked in a separate holding cell. dr. sims moderates this small group of self-mutilators. >> once i see my blood, i'm in another world. i'm a different -- i'm someone totally different from myself. i mean, that's the only time i actually, you know, can actually feel real, feel alive, and feel like everything's going to be