MSNBC Dateline September 1, 2019 08:18:00
Gavin. and nine months after gavin vanished, they finally got the break they were looking for. >> i said, i'm here to talk to you about your daughter and he started crying and he said, she saw everything. >> coming up. >> she was very nervous and startled. >> a new witness and a game changer of a clue. >> i kissed my partner on the cheek, it was pretty exciting. it was a big moment. >> you think you can't be shocked but you can be. >> when "dateline" continues.