mr. hasler was very intoxicated. he had done things that some people characterized as strange. he was on purpose spilling his drink. when the waitress would come over to mop up the floor, he was peering down her top. >> hasler was shown michelle's picture. he said she didn't know who she was and he'd never seen her. investigators looked in the bed of hasler's truck and could find no blood. although it looked like someone had recently washed it. so investigators concocted a ruse just to see how hasler would react. >> another detective took a napkin and a little bottle of water and rubbed it along the back of the truck bed simulating a dna test. >> at the time hasler showed no reaction. but later he called friends to express his concerns. >> he started making a few phone calls to his girlfriend and two other friends at that point and mentioned that one of the conversations, they took a swab out of the back of my truck. so that really is what i think kind of spun him out at that point. >> this was hardly enough even for a search warrant. but then police got a call from a woman who