Whatever gains a misguided shooter experiences in the short term are lost down the road since there is no way to copewithaproblem unless or until a person identifies it, understands it, and purges it from his behavioral repertoire.
For families from the Newtown area, and even beyond, a pressing problem will be how to help children copewith the aftermath of this tragedy -- and indeed how to give parents space to grieve, knowing their children are being looked after.