he was very cooperative. he told us about all the computers that were in the house. reporter: the michigan cops, who knew all about the bad blood between doug and venus, were looking for any trace of her, dead or alive. what were you expecting to do and hoping to find there? we knew we wanted to search his apartment for her clothes because that s the last thing she was seen in. we wanted to try to find her clothes, if possible. reporter: any signs of venus being around that apartment? no, nothing. reporter: but the forensic investigators kept looking. then they went outside to search doug s truck, still hoping to find a sign of venus, or any other helpful lead. the truck was an absolute mess. the debris from a disordered life. but there amidst the french fries, plastic lid, and bits of crumpled up paper was an unexpected clue. once it was analyzed, the investigation would shift into another gear. coming up when he called me, he says, are you sitting down? a tiny