Bank of America has been reporting their customers' firearms purchases to the FBI-
https://www.msn.com/en-us/news/us/b...p&cvid=f2659276c91f425f99fdc0cd6acd3cca&ei=12
https://www.msn.com/en-us/news/us/b...p&cvid=f2659276c91f425f99fdc0cd6acd3cca&ei=12