Gun sales

Senator Edward Markey wants the companies to explain why he was able to find weapons being advertised on both social media platforms.

It's after a recent ban on users selling weapons on Facebook.

The senator wrote the letter after reports Dallas shooter Micah Johnson used a gun bought through the site.

The social media giant recently rolled out a new feature that allows users to flag posts that appear to be “describing the purchase or sale of drugs, guns or regulated goods.” The option comes more than three months after Facebook first announced the ban in January, following weeks of complaints from advocates who have taken it upon themselves to police the site by reporting instances of gun sales and groups dedicated to buying and selling guns. Previously, advocates had to report suspected sales as “harassment” or as a “credible threat of violence,” options that aren’t always clear and co