Mistaken Identity — Diane Fanning

When Homicide Investigator Lucinda Pierce has to break the news to a 13-year-old boy that his parents have been murdered, his reaction comes as a shock: he claims that his father is not only still alive but also immortal, having sold his soul to the devil. The more Lucinda investigates, the more puzzled she becomes â€" and the more convinced that this is a family with something major to hide . . .