Firearm Ban & Recent Events
http://www.theblaze.com/stories/2014/02/25/ar-15s-issued-to-school-police-in-utah-district-for-rapid-response/
"It's important to note these are not machine guns, they are semi-automatics - at most they do a three-round bursts. We found that in a rapid-response situation, we needed to be able...