. >> i believe i become a killer like michael meyers and jason vorhees. on friday the 13th. was just fascinated with the way they worked. i heard voices. like jason, one of the characters, they told me like how to kill people and when to do it. the devil -- i was possessed by the devil for six years. been a witness for 17. >> how about nowadays? >> i think there's a demon that lives outside my window right now. he lives outside my window, he's a demon. >> most of the time he sings to me and hums. he aggravates me sometimes and i can't sleep. >> when our producer noticed his scarred arms, she learned that sometimes, ramon directs violence at himself, as well. >> what are these cars on your arm? >> i cut my vein open about three times. twice with a spoon and once with a razor blade, just to watch the blood come out. i do it sometimes just for the hell of it. it took 15 years of bottled anger to do what i did. if it's bottled up again, i might end up doing something like that again. >> he's not going to get his chance any time soon. ramon isn't eligible for parole until 2057. >>