michelle? why that day? michael fromme, his phone rang >> a young nursing student with a tip from an inmate who claimed to know where michelle disappears. >> she was still dressed in could be found. >> so who do you think is white hospital scrubs. involved in michelle's something drew her out to her car. disappearance? >> what is this guy saying? >> the cousins she grew up with. that he -- what can he tell you? the brother she raised desperate >> he said he has information as to find her. >> they were able to do what a to a potential site where lot of other families have never michelle may be. >> fromme made the trip out to been able to do. the jail for a face-to-face >> text messages, security interview. >> the parolee's information was monitors, surveillance video. that she had been abducted and were they signs she was trapped, was being held at a house in reaching out for help? hayward. and it turned out, >> one of the things i was so unfortunately, that this angry about was that nothing information was related to made sense. another criminal act and had >> moment by moment -- nothing to do with michelle's >> come take a look at this! disappearance. >> -- "dateline" was there for >> back in hayward, the police might have been accomplishing every turn. something, but they were saying >> there's blood wiped across here. >> was she missing or murdered? nothing beyond their belief that was this the key? michelle was dead. >> i will take your life and and as far as the family could hers. >> a threat, a voice, seething tell, the police investigation seemed to be getting nowhere. with hate and rage. >> you deserve to die for your now the family's own private lies. it's your last and final investigator seemed lost in the weeds, as well. warning. >> what happened to michelle. hoping to shake loose a lead, >> this case is not going to be they increased the amount of the over until we get her home. reward money from $20,000 to