(knocking) ♪ >> ron baker could've been starting his career as an astrophysicist, by the time his roommatesing to understand. >> they were separate trials, nathan had the first trial. >> it was march 1996, nathan didn't take long, and neither did the verdict. >> they came back guilty, -- >> no surprise, and the court showed no mercy. he was sentenced to life without parole. >> now, duncan, but before his trial began, you helped the cops duncan was offered a deal, a good one, plead guilty to second degree murder, and just maybe walk after around 12 years. but, it was not to be. >> basically gave us the middle finger, said no, i want less. i want a better deal. i want to go on probation, or 17, years or whatever that was in the cards. >> so don can put on his best behavior, and took his shot in court. the defense made the arguments of a man who had had the confidence to turn down a deal, and insisted duncan did not kill iran, that was knee thin. without duncan's help, they said, the cops would never have cracked the case. except, remember that story about watching -- and actually planning the