>> i sent two investigators over to talk to calvin harris and sent a uniform trooper up to the house.l harris opened up his house to them. >> he said, whatever you need. look wherever you need to look. i want this to be solved. i want to know what happened. >> that morning, investigator moby knew only this, she had a missing person case on her hands and with luck it would resolve itself speedily as many do. >> we kept hoping, as everyone did, that michele would call her house or call one of her friends and show up. >> cal, said his aunt mary, was completely focussed on his four children, had to leave it to others to search for michele. >> his thing was, okay, it's time for them to go to school. now it's time for me to pick them up. i have to be sure if this is the routine that's normal for them, we're going to keep them in that routine. >> but where was their mother? here was a clue and it didn't look good. michele's van had been left at the foot of the long driveway leading up to her house, out here on that big country lot. the keys were still in the ignition. but where was she? moby