"It's time to go beyond all the thoughts and prayers, misguided blame on mental illness, and dug-in disputes over the Second Amendment. Through meticulous reporting and panoramic storytelling, award-winning journalist Mark Follman chronicles the decades-long search for identifiable profiles of mass shooters and brings readers inside a groundbreaking method for preventing devastating attacks. The emerging field of behavioral threat assessment, with its synergy of mental health and law enforcement expertise, focuses on circumstances and behaviors leading up to planned acts of violence--warning signs that offer a chance for constructive intervention before it's too late." -- inside front jacket flap.

"From an award-winning Mother Jones editor comes the inside story of the decades-long search for identifiable profiles and warning signs of mass shooters, by way of the specialized teams of psychologists, cops, and ordinary citizens working to predict and prevent violence in America--a fearless, in-depth, and ultimately redemptive account of an epidemic that desperately needs solving"-- Provided by publisher.