Kleck's bogus study has been thoroughly debunked for its flawed design and flimsy conclusions based on inflated data.
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In 2016 just 1.6% deaths by firearm were "violent intruders".
Is that worth buying into all of the NRA hype and changing your alt-identity to Rambo?
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How to Reduce Shootings
https://www.nytimes.com/interactive/2017/11/06/opinion/how-to-reduce-shootings.html