"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.

It's a small world --Beyond the magic medicine -- On the trail of assassins -- The pathway to violence -- The kids aren't alright -- The program -- A road less traveled -- Vital connections -- The new mindhunters -- Evolutions -- Butterfly effects.