though not deadly, wood block rounds can leave a lasting impression, as we discovered at the kern valleyn in california. >> i don't even remember getting hit. i don't even know if i got shot. >> we talk about the nonlethal weapons they use. it's not often we end up actually seeing what those weapons do. such was the case with jordan johnson. this happened the night before. we were hulky to talk with him. >> during our shoot at kern valley, george johns, serving eight years being involved in a high-speed chase while on parole started a fight in the cafeteria and was hit in the head by a wood block. we met him the following morning. >> tell me the story. tell me what happened. >> i had a personal problem. i was in the chow hall eating. i got irritated and finally decided i don't like this guy. i'm going to fight him. that's it. >> next thing you remember? >> they're dragging me out. telling me i got hit in the head with a block. >> it left him with seven staples in his head. the scar running toward the back of his head was the result of getting run over when he was younger. >> naught other

. >>> on the first day of production at california's kern valley state prison our producers set out ton deal with the monotony of being locked in their cells 23 hour as day. they pass reading materials and other items to each other through a process called fishing. >> go ahead. take off. >> though fishing is against prison rules, inmate, tracy washington, was willing to demonstrate how to make a fishing line. >> you get the string made out of the waistband of our boxer. we take the string apart and then we put a little piece of plastic as a weight and we slide it across the floor like this. they might come in here and take my line now that they know i've got it. but i'll make another one. >> shoot it out. >> but our producer was about to find out that there was a far more dramatic story surrounding inmate, washington. >> i was on suicide watch last week and i just came back last week. >> why? what happened? >> they was trying to send me somewhere i didn't want to be. >> so what did you do? >> i cut my wrist with a razor blade. >> washington went on to explain that he cut his wrist to p