keith morrison (voiceover): it reminded friend john fife of a conversation with novak one night afterjest, of course-- just hypothetical-- i said, david, have you ever contemplated committing the perfect murder? and he said, yes. the key element to that is making sure that someone is caught and charged with the crime. once they have somebody, they'll stop looking, and that's how you can really get away. keith morrison (voiceover): and now, novak had taken off. and even though their questions didn't amount to hard evidence, of course, chris's defense attorneys wondered, as they prepared for the trial, why the police had so readily dismissed novak as a suspect-- dismissed him and a few other quite puzzling discoveries, like, for example, the one about ken's widow, dee. remember, she was in prison at the time of his murder. when she first talked to police, she told them she had no idea her husband had a meeting the morning of his murder-- no clue who he was meeting with. turns out, she was not telling the truth. [phone ringing] ken: hello? operator: you have a call from an inmate. ken: h