correctional officer that quickly escalated. c.e.r.t., the correctional emergency response team is called in. >> he's been bang his head on the door. spitting at the glass. refusing to follow any orders. have permission for use of force or extract him from his cell? >> for security reasons isp videotapes all extractions. >> you ready to move? >> hands up. >> open b-11. >> a mask is placed over etter's head to prevent him from spitting. >> let's go. >> but as they pass through a door, he bangs his head against the glass. >> oh, hey, hey, hey. >> i swear to god break my neck. yeah, i love pain! yeah! yeah! >> etter, stop, stop. stop fighting.