>> violence led to a string of burglaries and assaults that eventually landed munoz in county jail. there he joined a prison gang and was ordered to make the ultimate commitment. assassinate an inmate who was a fellow gang member. >> i had a braided rope in my pocket, and so i sat down next to him on his bed, and i talked to him. and when he turned his back to me, i stood on the bed, and i put the rope around his neck, and i killed him. >> how long did that take? >> five minutes. >> those five minutes, must have been a very long five minutes. >> very long five minutes. he fought me. he threw me around the room. surprisingly strong. i guess when you're fighting for your life, you have strength, you know? i was curious. i had never seen death before in person, and so i wanted to see. and i watched his eyes change