Guns

http://www.slate.com/articles/news_and_politics/politics/2017/10/what_the_white_mass_shooter_myth_gets_right_and_wrong_about_killers_demographics.html

https://mises.org/blog/theres-no-correlation-between-gun-ownership-mass-shootings-and-murder-rates

https://www.washingtonpost.com/opinions/i-used-to-think-gun-control-was-the-answer-my-research-told-me-otherwise/2017/10/03/d33edca6-a851-11e7-92d1-58c702d2d975_story.html?utm_term=.6c0e8375ce1a

http://www.aei.org/publication/chart-of-the-day-more-guns-less-gun-violence-between-1993-and-2013/