FILE - In this Jan. 6, 2021, file photo a violent mob of Trump supporters try to break through a police barrier at the Capitol in Washington. Violent extremists motivated by political grievances and racial biases pose an “elevated threat” to the U.S. homeland, officials said Wednesday, March 17, in a unclassified intelligence report released more than two months after a violent mob of insurrectionists stormed the U.S. Capitol. (AP Photo/John Minchillo File)

FBI Director Christopher Wray testifies before the Senate Judiciary Committee on Capitol Hill in Washington, Tuesday, March 2, 2021. Wray is condemning the Jan. 6 riot at the Capitol as “domestic terrorism.” (AP Photo/Patrick Semansky)

FILE - In this Jan. 12, 2021, file photo shattered glass from the attack on Congress by a violent pro-Trump mob is seen in doors leading to the Capitol Rotunda in Washington. Violent extremists motivated by political grievances and racial biases pose an “elevated threat” to the U.S. homeland, officials said Wednesday, March 17, in a unclassified intelligence report released more than two months after a violent mob of insurrectionists stormed the U.S. Capitol. (AP Photo/J. Scott Applewhite, File)