Anyone with common sense realizes that school zones are soft targets and these loons will continue to hit soft targets so as long as nothing is done to keep the children there safe.
If no one needs an AR-15 then why do police agencies have and continue to purchase them?
Your tax money has gone to arm Washington State Troopers with Smith & Wesson M&P in 40 S&W. WSP, Remington 870 shotguns, AR-15 rifles and HK MP5 submachine guns. I don't know about your county and city...