It’s deja vu all over again. In a recent Politico Magazine article, Evan DeFillipis and Devin Hughes resuscitate criticisms of a survey on defensive gun use that I conducted with my colleague Marc Gertz way back in 1993—the National Self-Defense Survey (NSDS). The authors repeat, item for item, speculative criticisms floated by a man named David Hemenway in 1997 and repeated endlessly since. The conclusion these critics drew is that our survey grossly overestimated the frequency of defensive gun use (DGU), a situation in which a crime victim uses a gun to threaten …read more

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