now back to lockup. >>> due to mature subject matter, viewer discretion is advised. >> inmate chris shiverdeckery approved for a transfer out of level six to level five. that was until today. >> shiverdecker when i escorted him he said to make sure they don't have -- he said to make sure that i didn't have a rookie with me when i came to pick him up from the yard. then he said to watch myself. >> and usually when he tells us something, we knew that there was business or there was something that was going to happen. >> his intention was to assault the inmate that was directly ahead of him. >> if i would have had it my way, she would have been dead. >> what happened? >> threatened my life and walk around. it's something i had to do. i didn't have a choice. >> what did you do? >> slipped the handcuffs and tried to get somebody. >> how? >> i just pop my thumb and slide it down, tried to rush the guy. the guy turned the corner and, i guess, was gone. and me and the sarge, the sarge grabbed me when i did it, wrestled and went to the ground. i just laid there and let him put the handcuffs on me, got up

shiverdecker? >> the security threat intelligence unit interviewed other level six inmates to determine what was really behind his actions. meanwhile, chris moved to a new sell. >> what did you find out? >> gardeno wasn't going to be a victim. there's reason to believe he was potentially going to be the aggressor. and shiverdecker knew it and it was basically i'm going to get you before you get me type of situation. unfortunately for christopher shiverdecker, the other inmate is a known associate of one of our prison gangs, which basically means he not only has a problem with that individual, he has a problem with the rest of them as well. >> it's a tough situation when you try to assault another inmate. there's going to be some repercussion somewhere down the line. as far as what somebody is going to try to do to him. >> he's going to experience some problems in prison. >> this is the end of the line, this is level six. so he's not going to leave this pr prison. all the bad apples are here. >>> still ahead, the deputy warden tries to convince shiverdecker to reveal how he slips his cuffs. >> my safety net. >> plus, davon, tries to help f