Rep. Paul Gosar (R-Ariz.) rallied in Maricopa County last week with extremists intent on undermining democracy.
Dozens of groups resembling a large "Stop the Steal" page that Facebook already shut down continue to be active as the election drags on.
A toxic political atmosphere and the prospect of armed poll monitors have some worried it might keep voters away.
The alleged gunman, a member of the Boogaloo Bois, shouted "Justice for Floyd" and helped set the building on fire, according to a federal complaint.
His reelection campaign has not rejected or returned campaign contributions from multiple well-known far-right bigots, FEC records show.
Looking back at four years of MAGA terror.
Sheriff Dar Leaf stood with the militiaman at an anti-lockdown rally. He's part of the "constitutional sheriffs" movement, a close ally of America's far-right paramilitaries.
The block by Senate Republicans came in the same week the president refused to condemn white supremacists and told a neo-fascist gang to "stand by."
They're a pro-Trump street gang that's committed violent acts across the country, and now they have tacit endorsement from the president.
The pages were removed only after an inquiry from HuffPost, as concerns grow over Facebook's ties to escalating political violence in the U.S.