>> you'll meet new mexico's most infamous serial killer. >>> the penitentiary of new mexico houses the state'sonly death row. the last lethal injection took place in 2001, and you're about to meet one of the few men waiting execution. he has a reputation as a savage killer and a unique perspective on his crimes. >> my name's robert fry. i am in for four counts of murder, and i'm currently serving three life sentences, and as of now, i'm on death row. should that get overturned, i'll be serving a maximum of 209 years. >> robert fry is a serial killer. behind each of his murder convictions lies a tale of violence and horror. >> i feel that i had evil within. not that i myself was evil, but that i allowed myself to be drawn towards evil things. >> while robbing a store, fry stabbed his first two victims, then slit their throats. >> when you walk in that path of darkness, you can't help but walk hand in hand with evil. whether you believe it to be evil or not, i never considered myself a violent person. >> in 1998, fry savagely beat a man to death with a shovel. >> i came from a very good family,