Brother thinks Congressman Paul Gosar committed treason in Capitol riot The brother of Arizona Representative Paul Gosar (R) said he believes the congressman committed treason for his role in last week’s riot at the U.S. Capitol. Five people were killed, including a U.S. Capitol police officer.  “What he’s done personally is commit treason I think,” David Gosar told ABC15. “He has blood on his hands for those people dying in there.”