Gun-free zones provide false sense of security

Column: Gun-free zones provide false sense of security
One of the interesting characteristics of mass shootings is that they generally occur in places where firearms are banned: malls, schools, etc.
That was the finding of a famous 1999 study by John Lott of the University of Maryland and William Landes of the University of Chicago, and it appears to have been borne out by experience since then as well.