A man from Kentucky told the FBI that he and his cousin began marching toward the U.S. Capitol on Jan. 6 because “President Trump said to do so.” Chanting “Stop the steal,” the two men tramped through the building and snapped a photo of themselves with their middle fingers raised, according to court documents.

A video clip of another group of rioters mobbing the steps of the Capitol caught one man screaming at a police officer: “We were invited here! We were invited by the president of the United States!”

A retired firefighter from Pennsylvania who has been charged with throwing a fire extinguisher at police officers felt he was “instructed” to go to the Capitol by the president, a tipster told the FBI, according to court documents…

While legal experts are split on whether Trump could face criminal liability for his role in the events of Jan. 6, testimony from rioters who felt directed to take part in illegal acts by his speech could inform a decision by prosecutors about whether to attempt to build a case. Short of that, the testimony from rioters is likely to be cited in Trump’s upcoming impeachment trial in the Senate and could become evidence should people injured in the Capitol attack seek to file lawsuits against Trump.