Ever Since The Wake-up Call That Was Columbine, Schools And Law Enforcement Have Developed Multiple Strategies To Prevent Attacks. Indeed, The Horror Of Newtown Needs To Be Seen In A Context That's Not Defined By Defeat. Remarkably, More Than 120 School Assaults Have Been Thwarted In The Past Ten Years. But, While Security Hardware And Physical Barriers Can Play A Deterrent Role, It's Been Psychologists--working Hand In Hand With Law Enforcement Officers--who Have Come Up With The Most Helpful Tools To Prevent Violent Attacks. But Despite The Progress Made, Recent Attacks Have Revealed A Gaping Hole In Our Safety Net. 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?