usz # >> larry beaumont successfully snuck informant jimmy keene into springfield prison in 1998. he just didn't expect to lose him there. >> goes off your radar. e. >> yeah, disappeared. couple weeks we didn't know what happened to him, trying to find out, we were getting frantic. >> two weeks later, only after keene's psychiatrist returned from vacation did they finally find jimmy. v >> i knew the fbi was there, any she kept apologizing, kept saying i am really sorry, a something happened with the message. >> at last, investigators got to search the woodshop and hall's t cell, but by then, the map and falcons, items jimmy believed t could lead to tricia, were gonei