2011. the day she went missing. after that, nothing. what happened after midnight in that house? >> exactly. that was the million dollar question. >> the video files from midnight until 6:00 in the morning that day were corrupted, according to the tech guy who examined them. >> we could see footage, but what it was, it was very disjointed. most of it was not time stamped or it was not date stamped. so it was not in a manner that you could just go in and click play and just play through everything. >> the bottom line, the police had zero, nada, zilch. and so with no compelling reason to stick around lawrenceville, matt leili moved back up north to vermont, to be closer to his family. that was in february of 2012, almost seven months to the day after nique's body was found. nique's stepmother, betty chatham, says the move effectively ended all contact between nique's family and her two youngest daughters amanda, 12, and rebecca 9. >> he was to provide us with a