Gun-free zones an easy target for killers

The horrible tragedy last night that left nine people dead at the Emanuel African Methodist Episcopal Church in Charleston, S.C., probably could have been avoided. Like so many other attacks, the massacre took place in a gun-free zone, a place where the general public was banned from having guns. The gun-free zone obviously didn’t stop the killer from bringing a gun into the church.

Indeed, the circumstantial evidence is strong that these killers don’t attack randomly; they keep picking the