We all keep secrets. For most of us, these are nothing more than minor embarrassing details about ourselves. But some of us have dark secrets which, if discovered, could destroy lives. For years, the residents of Circleville, Ohio, received bizarre, threatening letters; from someone who somehow knew every salacious detail of their personal lives. The letters cost people their jobs, their marriages, their freedom, and sometimes, their lives. Over a thousand letters were sent over *20 years*. Yet somehow, whoever wrote them got away with it. Or did they?