sharpening the blade of may unholy knife, this is where true hatred lies, screams of agnony, my victim dies. >> police certainly knew they were working with someone who was very sick. >> gary dolan was unemployed and had no alibi for either murder. he also refused to take a polygraph test. and he wouldn't provide a dna sample. so police had to find another way to get it. >> we knew he smoked. we knew we could get dna from the cigarette butt. but we couldn't take the cigarette butt from him unless he abandoned it. >> sheriffs followed gary until they saw him outside smoking a cigarette. they questioned him at length, hoping he'd cast the butt aside when he was finished, which to their relief he finally did. that butt was sent for testing. and the results provided yet another setback. >> the dna profile from the cigarette butt did not match the dna profile from the crime scene. >> so gary dolan was eliminated as a suspect. and for the next two years, the trail of the killer turned cold. identity theft ... ] it's one of the fastest growing crimes in america. in fact, there's a new victim