More than two dozen off-duty officers attended the pro-Trump rally. Many celebrated on social media at the time. But now they could face federal charges and find themselves out of a job.

The top U.S. prosecutor for the District of Columbia cited a "disconnect" after federal prosecutors in Arizona said there was "strong evidence" that pro-Trump rioters intended to kill officials.

Keller, 38, is facing three counts: obstructing law enforcement, knowingly entering a restricted building without lawful authority, and violent entry and disorderly conduct on Capitol grounds.

Seditious conspiracy is among the more serious federal charges that prosecutors are looking at for some U.S. Capitol rioters. Some legal experts caution against going down that road.

The FBI is warning of protests and potential violence in all 50 capitals ahead of President-elect Joe Biden's inauguration. On Wednesday, President Trump urged that there be no violence of any kind.

Officials say charges could be brought ranging from trespassing to felony murder.

Under pressure to resign after supporters stormed the Capitol last week, Trump went to Texas. With about a week to go in office, it was a last-ditch attempt to burnish his legacy, analysts say.

Some officers are being investigated over involvement at the protests, while others fought off protesters who once supported them.

President Trump denied culpability for the violence and expressed no regret for comments made last week that many have criticized as being a catalyst for mob violence at the U.S. Capitol.

Violent acts of insurrection like the U.S. Capitol mob have been incubating in the western U.S. for years, where self-described "patriots" have led armed uprisings, often with few legal consequences.

The first lady issues a statement denouncing violence and "false misleading accusations on me."

Richard Barnett, who was pictured with his feet up in the House speaker's U.S. Capitol office, and a West Virginia lawmaker are two of more than a dozen people facing charges related to the riot.

Alex Vitale, author of The End of Policing, says it's a mistake to boil Wednesday's events down to questions of police force. He argues we need a broader conversation about race, politics and justice.

The FBI is asking the public to help identify people involved in the attack. D.C. Metro police is offering a reward of up to $1,000 to anyone who provides information leading to an arrest.