. >> juju: as for chris lang, the last person dru spoke to the night she disappeared, police wanted tow why he didn't call authorities immediately when their call got cut off. >> she was telling me about the -- the stuff she'd bought. i'm picturing her, like, driving out of the parking lot. abruptly, she, she said, she said, she said something like, "okay, okay." >> okay. >> is how i remember it. and i know, and i know it struck me as a little odd. it wasn't a scream, it wasn't a -- it wasn't anything that would -- it was -- it was just a -- it cut off. i remember saying to her in a message that, that i left her, like, you know, "did you get in a little fender bender?" and then later on that night, sid called me at like midnight or something, and he told me that -- that they had found her car in the parking lot. >> okay. >> and that, and that to me was, was the moment i knew that she indeed, in my estimation, was taken. >> juju: because chris was 300 miles away moving into a new apartment in minneapolis, police say he was never a person of interest. so who was? >> we're listening to an