russell buchanan had the means and a possible motive. t the evidence against him was circumstantial, and soon the case went cold. russell had his own story to tell, but the truth would lay dormant for decades only to be uncovered by an amateur sleuth obsessed with the case. back to josh mankiewicz with "in the middle of the night." >> reporter: several months after angie samota was raped and murdered, the prime suspect, russell buchanan, hired an attorney and refused to speak with police. several months after that, he left the country. it seemed suspicious, but without enough evidence to arrest russell, police could not stop him. russell was not arrested or charged in angie's murder. he went on to become a successful architect. it had been nearly 30 years when russell decided to talk once again about what happened that night and about angie. her friends describe her as the kind of girl that guys get crushes on. >> maybe so. >> reporter: possible that you had a crush on her? >> no. no. not at all. i -- i hardly knew her. >> reporter: but a