An active shooter leads John Jordan on a riveting chase into a stunning mystery. While attempting to prevent a school shooting, sheriff's investigator John Jordan must confront a cold, cruel killer the likes of which he's never seen before. When the echoes of the gunfire cease and the smoke clears the biggest mystery of all still waits to be solved. Who planned and perpetrated this devastating deed and how did he hide his identity? But a cunning killer isn't the only thing John is battling. Old demons have resurfaced to threaten everything he's worked so hard for. Can John expose the killer or will he die trying? Read this thrilling stand-alone mystery today and find out! "Michael Lister is a master storyteller." Michael Connelly