his hit man cut a deal with prosecutors and turned informant. >> this man -- dangerous man is going to be in jail for a long time. >> other inmates influenced him to cop up with a plan. at the time i wasn't thinking straight. i was icon sense of humored by fear that if i didn't do something now i could do 30 years. come back and caused a lot of problems. >> he's plet not guilty to the new conspiracy charges based partly on his assertion that another inmate helped write the letters but during his stay in jail o'sullivan did something that turned heads every bit as much as his alleged murder for hire plot. >> i met a guy here.