what happened in those missing minutes? the police, remember, weren't talking to the family. so the family pursued its own line of investigation. we're looking to human trafficking patterns. human trafficking patterns? yeah. you thought that was a possibility? we did, yeah. keith morrison: but that was a dead end. then 34 days into michelle's disappearance the le family coacted us to say they'd begun working with a private investigator, a man named michael frame. and in the midst of his investigation, frame sat down with us to tell us what he had learned. this had to happen quickly. this was a public parking garage. people come and go from that garage all night. someone was lying in wait. they knew that at some point she would return to her vehicle. it was a number of hours before her shift was going to be over. and they were prepared to abduct her at that time. did anybody know why she went to her car? not that we know of at this time. unusual thing to do at that stage of the shift?