. >> 23-year-old gary dolan had a history of minor offenses, but he'd never served jail time.t was his own sister who reported him to police. she was alarmed by hundreds of incredibly lurid poems he'd written and shown her. >> most of his writings were angry writings. one in particular dealt with -- with forcing a kind lady to have sex with him after he'd strangled her. >> grabbing her head and snapping her neck, the poor little old lady hit the deck. now she's dead. there's no life in her. later tonight, i'll eat her for dinner. >> some poems talked about sexual activity with older women, sexual activity with dead people. >> i'm happy with my life. sharpening the blade of my unholy knife, this is where true hatred lies. screams of agony, 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 cigaret