. >> it was the cold-blooded killing of his own mother that first landed stephen hughley in prison in 1986 when he was just 18 years old. >> we had had problems for years. and it just finally reached a head. a girl that i had a date with called there. and when i answered the phone, my mother, she come out of her bedroom and screamed, "is that another one of your little whores calling here?" and it was just like i snapped. i told the girl i had a date with, i said, "i'll be out there to get you in a little bit, i'm fixing to kill this bitch." and i hung up the phone and i went and got a rifle and shot her. then i carried her and dumped her in the river and went on my date. >> hughley was given a life sentence for killing his mother. but five years later while incarcerated at a different facility, he killed again. >> it was june the 30th of 1991 when i stabbed another inmate 67 times. >> after receiving a life sentence for killing the inmate, hughley committed a second prison murder. he stabbed a counselor 36 times with a homemade shank. >> i mean, it had gotten to the point where he ma

made me to where i really didn't feel anything toward her. >> throughout the hour-long interview, hughleyeley rarely displayed emotion exception when recalling how his mother broke the news of his father's death when he was only 12 years old. >> she hung up the phone, she turned around and said ronny's dead, they found him dead in his car. he committed suicide. i'll put you on the bus and send you to michigan for the funeral, and that was it. and that made me hate her, because, from that day forward, i knew i was going to kill her, eventually. >> hugueley was sentenced to life in prison for killing his mother. but it wouldn't be the last time he'd commit murder. five years later, while 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 murd