Its Dr. Kay Scarpettas birthday, and shes about to head to Miami for a vacation with Benton Wesley, her FBI profiler husband, when she notices seven pennies on a wall behind their Cambridge house. Is this a kids game? If so, why are all of the coins dated 1981 and so shiny they could be newly minted? Her cellphone rings, and Detective Pete Marino tells her theres been a homicide five minutes away. A high school music teacher has been shot with uncanny precision as he unloaded groceries from his car. No one has heard or seen a thing.In this 22nd Scarpetta novel, the master forensic sleuth finds herself in the unsettling pursuit of a serial sniper who leaves no incriminating evidence except fragments of copper. The shots seem impossible, yet they are so perfect they cause instant death.