it was a guy named joseph scott hatley."er cleaver had killed susan. >> for susan's friends cindy and roy, the news is even more shocking. they know scott hatley. they're related to him. >> my initial reaction was -- >> oh, boy. >> -- there's no way he did. >> he was my first cousin that i was raised with. he was like a brother to me. it was very, very hard to take. but the evidence was there, and i did believe don. i did believe him. >> hatley was a chameleon. nobody ever suspected him. nobody. >> it gets even worse. hatley would talk with susan's unsuspecting friends about her murder. he even attended a birthday party with susan's friends just weeks after her death. >> susan was the main topic of conversation at this birthday party. that's all anyone talked about, including scott wanted to discuss it. he did have a fascination with the case. but we all did at that time. >> michael woods, he'd spent decades as an outcast, scorned, under constant suspicion for his wife's murder. now her real killer had been found. >> i was s