In this Jan. 6, 2021, file photo, Proud Boys including Joseph Biggs, front left, walks toward the U.S. Capitol in Washington, in support of President Donald Trump. With the megaphone is Ethan Nordean, second from left. Outside pressures and internal strife are roiling two far-right extremist groups after members were charged in the attack on the U.S. Capitol. Former President Donald Trump's lies about a stolen 2020 election united an array of right-wing supporters, conspiracy theorists and militants on Jan. 6. (AP Photo/Carolyn Kaster, File)