17-year old Simon Gallagher stumbled on a murder in progress in an alley in his hometown. It was 2am. Onlookers from emptying saloons muddled the area almost immediately. He was unable to identify the killer. The following day, an attempt was made on his life. The murder was never solved. Now 20 years later, Gallagher, an FBI agent, has yet to come to terms with the trauma of those events. His assignment is a triple murder case in Lancaster County,...