https://www.policeone.com/active-shooter/articles/295035006-5-things-to-know-about-gun-free-zones/
2. Mass casualty incidents have resulted in pushback against gun-free zones. A common argument against these laws is that they work opposite to how they were intended; instead of keeping the public safer, they prevent law-abiding citizens from carrying but do nothing to stop criminals who intend to do harm.
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3. Some argue that most mass shootings occur in gun-free zones, and that these sites attract active shooters. Another common argument in this debate is that the majority of mass shootings occur in gun-free zones and that active shooters specifically seek out these sites to carry out their attacks.
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4. But are these claims true? Here’s where things get muddy. In a 2013 report, Mother Jones found no evidence that any of 62 mass shootings that occurred between 1982-2012 were at sites targeted specifically because of a gun ban. Many of the attackers had a personal connection to the site of their rampage, such as their place of work.
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A big reason it’s hard to verify whether these claims are factual is because of the various definitions of what constitutes a “mass shooting,” a “gun-free zone,” and the differences in gun prohibition from state to state.