valerie newman, public defenders office. >> when i got to the hearing, it was all out warfare. >> thethis strange tale from the start. with mary evans and her 2009 facebook post. >> ms. evans, why have you come forward in this case? >> you know, on the streets i always heard that highers didn't do it. >> next, the d. c. lawyer who just happened to answer that post of mary's. >> would you please set your name for the record? >> kevin zieleniewski? >> on the stand kevin re-told 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, no