A senior editor at the Washington Post sparked outrage online after tweeting on Thursday that the rifle used in the horrific mass shooting in Uvalde, Texas, this week was “invented for Nazi infantrymen.” Marc Fisher tweeted on Thursday: “Invented for Nazi infantrymen, further developed by the US military, the AR-15 was the Texas school shooter’s weapon of choice…” A Washington Post editor angered people online when he tweeted on Thursday that the AR-15 rifle used in mass shootings in Texas, Las Vegas, and Connecticut was "invented for Nazi infantrymen." Marc Fisher tweeted on Thursday: “Invented for Nazi infantrymen, further developed...