To his neighbors on Imperial Avenue in Cleveland, Ohio, Anthony Sowell was a quiet and helpful former Marine who played chess and hosted summer barbeques in his front yard. But there was a dark side to Sowell-and a horrific secret inside his house. In mid-2007, Crystal Dozier, 38, made plans to visit Sowell. She was never seen again. Over the next two years, ten more Cleveland women disappeared. Their families filed missing persons reports. Police...