Democratic Rep. Ted Lieu of California slammed Walmart for its decision to limit advertisements for video games following two shootings at its stores in recent weeks.
"You disrespect the victims of mass shootings by making up stupid s---," Lieu said in a tweet.
Republican lawmakers and commentators, including President Donald Trump, have widely suggested mental health and video games were to blame for mass shootings.
"Dear [Walmart], remember how: Mario Kart caused people to drive faster?
Fortnite radicalized a white supremacist to shoot Hispanics at your store," Lieu tweeted on Friday afternoon.
The tweet follows the release of an internal memo in which the company ordered its employees to immediately "remove signing and displays reference violence" in all of its departments.