what is interesting, is all of this backlash towards the CC companies, but when you READ the article, it clearly states the CC companies said they would not do it , from the article "
The credit card industry has blocked a novel effort to track suspect firearm and ammunition purchases, depriving law enforcement of a potential tool to identify and stop gun crime.
Documents obtained by CBS News show employees from domestic and international credit card companies, including Visa, Mastercard and American Express, pushed back on an application to create a merchant category code for firearm and ammunition sellers. "