i kept going after him. >> gerald parker had also been in the marines. g a few minutes, parker told sergeant tarpley that there was something he needed to get off his chest, something that had been bothering him for 16 years. >> you could go out with me and my friends sometime. >> parker said he was outside the greens' apartment on september 30th, 1979, and heard the couple argue. after kevin green left for hamburgers, parker admitted that he entered the greens' apartment with a two by four through an unlocked door. and parker explained the mystery of why dianna green identified her husband as her attacker. when parker stood at the bedroom door, dianna green sat up with a look of recognition. she assumed it was her husband in the doorway and went back to sleep. parker described how he struck dianna green. gerald parker was the man kevin green saw outside his apartment on the night of the assault. >> parker was a marine, green was a marine. and there was that little marine corps bond. >> sergeant tarpley personally delivered the news of parker's confession