The judge said she wanted to make clear with the sentence that "trying to stop the peaceful transition of power and assaulting law enforcement officers is going to be met with certain punishment."
"I didn't see the report myself even until after the 6th, but the way in which it [was] handled ... strikes me as consistent with our normal process," said FBI Director Christopher Wray.
The bulletin did not cite any specific threat but said that the risk of violence will persist for weeks. It warned that some extremists may be "emboldened" by the Jan. 6 attack on the U.S. Capitol.
The company also said it has banned "numerous individuals" that it found to be associated with hate groups or involved in criminal activity at the Capitol.
In remarks at the Vatican on Sunday, Pope Francis condemned the violence at the U.S. Capitol and urged Americans to come together for the "common good."
The U.S. is reporting more than 271,000 new cases each day. Congress' attending physician says lawmakers who sheltered in place last week may have been exposed to the virus.
In an interview with NPR, the senator called the president's conduct a "flagrant dereliction of his duty." He also criticized Missouri Sen. Josh Hawley for his challenge to the election's results.
Simon & Schuster says it has decided not to publish Hawley's forthcoming book The Tyranny of Big Tech, suggesting that the lawmaker helped foment Wednesday's violence.
A mob stormed the U.S. Capitol after President Trump urged supporters to march to the building to oppose the election results. Roughly 14 hours later, Congress affirmed Joe Biden's victory.
Police say 14 officers were injured and more than 80 arrests were made by Thursday morning. Law enforcement agencies are requesting the public's help in identifying rioters.
