lived in a decade-plus ago. >> but why would graham return to the same neighborhood where he killed gary elwoodarlier and commit the same crime of window peeping, knowing that if he got caught, he'd immediately be a suspect in elwood's murder? >> and the answer is simply that he was a window peeper, and he was driven to commit those types of crimes. that's what was exciting to him. and i believe that he felt he would not be caught. why? because he was so proficient at what he had been doing over all those years. >> prosecutors believe that graham stood outside gary elwood's home on the night of the crime and watched while janet haynes took a shower. graham thought janet was there alone, since he couldn't see gary from his vantage point. after janet went to bed, prosecutors think graham removed his clothes and shoes outside, then entered the house by cutting the window screen. he made enough noise that he woke gary, who went to investigate. the two fought. then graham stabbed gary to death, and for the next few hours, terrorized janet. graham left clear footprints in gary's blood, which later ti