FBI arrests fur-wearing son of Brooklyn judge on Capitol riot charges By TOM HAYS Capitol riots investigation Dozens of pro-Trump protesters and rioters are facing charges in connection with the Jan. 6 mayhem at the U.S. Capitol. The FBI arrested Aaron Mostofsky, the son of a judge in New York. NEW YORK - Federal agents have arrested the son of a New York judge on charges that he was among the protesters who stormed the U.S. Capitol, the FBI said on Tuesday. Aaron Mostofsky, 34, was picked up at his brother's home in Brooklyn on Tuesday morning, about a week after he was seen inside the Capitol wearing a fur costume and a police vest.