A Wall Street Journal bestseller and Daphne du Maurier Award winner.

FBI Special Agent Ava McLane solves crimes; she doesn't witness them. When she's trapped in a mall without her weapon as a shooter picks off victims, she hides with a wounded teen and prays for her survival.

But that's only the beginning...

An epidemic of mass shootings has has swept across Oregon. The young shooters terrify the public, committing random murders before taking their own lives. The task force assembled to solve the case--which includes Ava's boyfriend, detective Mason...