then june 30th, 34 days into michelle's disappearance, the le family contacted us to say they had 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 is a public parking garage. people come in and go from that garage all night. someone was lying in wait. they knew that at some point she'd 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 your shift? >> i think it was either a quick break or something drew her out to her car. that we still don't know. but she was still dressed in her white hospital scrubs. it was evident that she was going to come back because she left her belongings in the hospital. >> reporter: remember, police found michelle's car about a half a mile from the hospital, parked and locked in a residential area. but hadn't revealed what evidence they'd since found inside. but frame had found out a thing or two about the car and how it got there. >> did anybody see the car arrive? >> there's a report of a witness who stated they heard