nobody got hurt. >> tirrell shropshire eventually completed his sentence at riverbend and was releasedrom prison in february 2008. but another memorable inmate featured on "lockup" may never know such freedom. >> i was accused of assaulting an inmate with a padlock. so that's why i'm in this here for. >> when we met daunte bullock at the anamosa state penitentiary in iowa, he was spending his third day in ad seg, the administrative segregation unit, also known as the hole. authorities say he stuffed this padlock inside a sock and brutally attacked another inmate with it. >> do you think you have a violent past, history, angry? what's the situation? >> i'm violent when i'm provoked. >> bullock is already serving a life sentence for kidnapping. but if the padlock assault charges stick, he could spend the next year in ad seg, where he would be locked in his cell 23 hours a day. >> i was in the wrong place at the wrong time. inmate has been assaulted, my defense to them was telling them that i was in the area. i was just pushed out of the way as the inmate was trying to get away from the p