In May 1941, a hermit named Rustin Parr told police he murdered seven children in Burkittsville, Maryland. The night before he was hanged, he told his priest an entirely different story. This is it. It was the most shocking crime imaginable: the kidnapping and brutal murder of seven innocent children. The particulars of Rustin Parr's crime made the case even more horrifying: the ritual nature of the killings, the strange symbols carved...