incarcerated at a different prison, he stabbed an inmate 67 times after the man and two friends allegedly threatened him. >> all three of them come up to my cell, which was a single cell, and i slaughtered him, and went after them two, and they took off running and hid. but i was going to kill them all three. >> after receiving an additional life sentence for killing the inmate, 13 years later hugueley murdered again. in this unedited footage, hugueley describes how and why he killed a prison counselor. >> the plan was kill him, get the death penalty, use the state of tennessee's lethal injection as a means of suicide, since i didn't have the guts to do it myself, and then in january, i killed him. and the first thing i did, is said i want the death penalty, i want to be executed.