A genteel Border South town not far from the nation's capital is shaken by a series of vicious slayings at historic sites. These include a Civil War cemetery for escaped slaves; a burial mound of Confederate soldiers; a church associated with George Washington; and a museum on the Antebellum Era. At the same time, violent break-ins take place at venerable banks and townhomes connected with the lives of Washington, Robert E. Lee, and civil rights figures...