>> in order to prove their theory, joe's team would need to interview the alleged rape victim. but chris longenecker had vanished without a trace. the new discoveries in joe's case caught the attention of one of the most prominent law firms in town, jones day, which agreed to fight for joe on a pro bono basis. >> it was like night and day. it went from i have two appeals left and then they're going to murder me to now i have neil and all these resources from the world's third largest law firm backing me up. >> armed with the fact that prosecutor carmen marino had withheld information, joe's team submitted a sweeping discovery request to the federal district court. >> to me it just seemed like a logical question. what else is in there? >> meanwhile, the alleged rape victim, the only person who could corroborate what tony klann had witnessed, was finally located living in florida.