another whole aspect of these long-term investigations are all the false leads, the crazies. >> we have had people walk up and say i'm that person. >> i actually was with a girlfriend in a shopping center and a woman approached me very emotional and tearful and "i'm the person in that video." and i said please call 911. and they did. and then the police converged and turned out -- pathetic. trying to jam up her significant other for his coke use. >> in early 2009, another lead raised the committeesy's hopes. >> confessed killer says he has information about the disappearance of jennifer kesse. >> david ross, a convicted murderer claimed from inside a florida prison that he knew what had happened to jennifer. >> drew kesse himself went to that prison and asked to