one of them was cari cooper, the class instructor. she also went over to the house. turns out, cari knew as much about crime scenes as she did about dance moves. that's because cari's a cop in nearby memphis. >> well, i kinda took on that police officer role at that moment. so i took off. and i combed, like, every inch of her property lookin' for anything. >> did you find anything? >> i found nothing. and i looked through her storage sheds. and i looked all along the railroad tracks that are behind her house. and there was nothing. >> reporter: as detectives were putting together the pieces of heather's life and tracking her last movements, chris jones, heather's husband, made an emotional appearance on a local tv station. >> i want nothing more than for those children to have a mother, and it kills me to think that they may grow up without having both parents. >> reporter: the afternoon heather disappeared, chris came to the police station wanting to help. >> you've been up all night. >> yeah. >> okay. >> i mean, i can't miss an opp -- i didn't want to miss a call,