capitol police

The U.S. House of Representatives has opened an investigation into this month's attack on the U.S. Capitol. In a letter to the heads of America's leading intelligence and law enforcement agencies, House lawmakers asked for any information that could help them understand whether warning signs were missed.

In late December, the New York Police Department sent a packet of material to the U.S. Capitol Police and the FBI. It was full of what's known as raw intelligence — bits and pieces of information that turned up by scraping various social media sites. It all indicated that there would likely be violence when lawmakers certified the presidential election on Jan. 6.

Rep. Tim Ryan, D-Ohio, says an investigation is underway looking at "potentially members of Congress" who gave tours to pro-Trump rioters prior to the insurrection last week on the U.S. Capitol.

Updated at 10:13 p.m. ET

Several Capitol Police officers have been suspended in connection with last week's fatal riot at the U.S. Capitol by protesters loyal to President Trump, Acting Chief Yogananda Pittman announced Monday evening.

Earlier, Rep. Tim Ryan, D-Ohio, had said one of the suspended officers took a selfie with a rioter, and another donned a Make America Great Again hat and "started directing people around."

Federal law enforcement across the country have begun arresting people who were part of the mob that ransacked the Capitol building this week.

Northeast Ohio Congressman Tim Ryan (D-Niles) heads the House committee that oversees the Capitol police.

He says video and cell phone evidence is being used to identify these domestic terrorists.

He says video also shows a confused and mixed response from police defending Congress.

When a pro-Trump mob attacked the U.S. Capitol on Wednesday, surprisingly few police stood in the way. Protests had been expected for days, but police appeared unprepared for an actual insurrection and not even prepared to keep all the doors locked. Video showed police calmly talking with attackers after they moved into the building.

In a day filled with shocking images, one of the most startling was a mob of President Trump's supporters surging into the U.S. Capitol with relative ease.