>> kevin zieleniewski? old the story that john, the old roommate told him way back in 1993. >> he made a comment to the effect that, well, you wouldn't believe what happened that night. >> and so, said kevin, he fell a duty to step in. >> and why are you here today? >> two innocent people are in prison for life. i learned information that could help set them free. and i felt compelled to bring that information forward. >> and then one by one, the witnesses, the now 40 some things who told the court about that night outside old man bob's house, where they've gone to buy marijuana for their graduation party. and that it was their friends, not the highers brothers who came down running down the driveway. >> and how they did they look when they got in the car? >> terrified. >> why are you coming forward? >> two minutes is too long in prison, let alone 27 years. >> even the reluctant witness, the one that had to be subpoenaed to come to court, confirmed all of it. as did the man who threw the graduation party tha