Ever since the wake-up call that was Columbine, schools and law enforcement have developed multiple strategies to prevent attacks. Can the hard-won gains made by psychologists and law enforcement be extended to the families of some of the nation's most violent individuals? Is the country ready to have a national conversation about the balance between safety and civil liberties that such interventions would require? Available in both English and Spanish audio, along with corresponding closed captions. [9:19]