he's going to throw me in there. >> the nurse explains how a routine visit on his cell unit blew up in minutes. >> i'm real familiar with him and, actually, when i went in the unit, i seen him sitting there, and i kind of did this, just kind of joking. so, he came through the door because he wanted to talk to me, and he was asked to go back in and he didn't like the way he was asked, and he exacerbates really easily. >> anger isn't jacob's only problem. there are more disturbing issues in his background. >> he feels no pain. look at his arm. he's a self-mutilator. he cuts on himself for self-stimulation. i've been his counselor for two years i've been with him. i've had to restrain him three or four times. >> when he's angry, he tends to hurt himself, but a little one-on-one and, you know, just talking with him a little bit a