“Gun free zones may work in other countries, but it is a stupid idea in USA.”
I believe the gun laws in the U.S. Virgin Islands are the toughest in the U.S.A:
Guns are Tightly Controlled, but The U.S. Virgin Islands has one of the Highest Homicide Rates in the World
http://gunwatch.blogspot.com/2013/05/strong-gun-control-high-homicide-rateus.html
Gun Free Zones is practiced in many locations in USA.
That is where mass shootings occur the most.
Gun laws may be tough, but gun free zones make an easy
target for a deranged gunman.