Boomerang: A Detective Jason Smith Thriller, Book 2 (Unabridged‪)‬

A man is killing people in York. Initially the murders appear to be the random acts of a maniac. Detective Jason Smith is put in charge of the investigation. It soon becomes clear that the murders are all connected to him in one way or another. All of the killings correspond to events in Smith's life and the murderer leaves dates at the crime scene which tie up to important dates in Smith's history. When one of the dates is a time before Smith was even born, he realizes he must look deep into the past to find a way to stop the worst spate of murders in York's long history.