I have been trying to research what percentage of mass shootings occur in gun free zones vs no gun free zones, but am finding too many conflicting statistics. Political agenda from both sides of the aisle are making it difficult to find reliable statistics. I realize that any responses that I get here will most like direct me to more of the same partisan agenda, but I will ask anyway. Does anybody have any links to some reliable statistics that show the breakdown of mass shootings in gun free zones compared to non gun free zones?