Authorities are examining “very concerning online writings and social media posts” connected to the shooter who killed a female student and wounded another student in a Nashville high school cafeteria.

Right-wing extremists are celebrating Elon Musk’s straight-arm gesture during a speech Monday, although his intention wasn’t totally clear and some hate watchdogs are saying not to read too much into it.

Former President Donald Trump’s lies about a stolen 2020 election united right-wing supporters, conspiracy theorists and militants on Jan. 6.