Firearms Sourced and Recovered in the United States and Territories 2010-2016

I want to try and probe a question that was raised since Las Vegas and now revived due to the tragedy in Sutherland Springs,TX: Given the free trade between states, can a state unilaterally regulate firearms. This post will try to start to give an answer to this question using R. Since there is not an open electronic federal database for firearm ownership and transactions, one important source of information is the Bureau of Alcohol, Tobacco and Firearms, (ATF). [Read More]