The FBI's investigation of the deadly assault on the U.S. Capitol this month has identified more than 400 suspects, according to the figures disclosed Tuesday by the Justice Department.

Steven D'Antuono, assistant director in charge of the FBI's Washington field office, said more than 150 criminal cases have been filed so far. Charges include unauthorized access, theft, damage to government property and assault on law enforcement officers.

The top prosecutor on the case, acting U.S. Attorney Michael Sherwin, said the goal is to identify as many people as possible who entered the Capitol during the siege.

"Regardless of the level of criminal conduct, we're not selectively targeting or just trying to charge the most significant crime," Sherwin said. "If a crime was committed we are charging you, whether you were outside or inside the Capitol."

Read more: NBC News