In this riveting crime thriller, a shooter rocks a small-town school and vanishes like the wind. The sheriff calls the FBI for help. New to the profiling unit, Tim McAndrews is assigned to the team sent to the crime scene. When the evidence doesn't fit with a typical school shooter, Tim develops a theory that the unknown subject is an older man with military or law enforcement experience-an assassin, and maybe one of their own. But who would target...