this is jack mcgarey's story. >> my name is jack mcgarey. i'm doing 16 years to life for second-degree murder. i was 17 years old when i came to prison. i've been in prison longer than i was ever alive out there. >> when jack mcgarey was 17, he planned the ultimate betrayal. to kill his best friend. >> we hatched this plan to have cyril bring luke to this spot, and i would kill him. cyril pushed him off the embankment. then i heard cops. i started running. to have killed him, what kind of worthless, scum, piece of crap am i? >> less than a week after the murder, mcgarey was arrested. since that day a prison cell has been the only home he's known. >> this is my cell. i would estimate it's 9 by 12 for two people. this was it right here. this is the scope of my existence. >> but with a parole hearing in less than five months, he has his sights set on freedom. >> attention in the unit. you need to report down to the counselor's office. >> i got to head off to the meeting. got to get over there at 2:00 when the meeting is at. >> to prepare himsel