 That included the head of the Secret Service, the Secretary of Homeland Security, Alejandro Mayorkas, the Attorney General, Merrick Garland, the head of the FBI, Director Christopher Wray, as well as the president's national security advisor, Jake Sullivan, and his homeland security advisor, Liz Sherwood Randall. So another major briefing for the president on the latest in this investigation as to what happened at the rally tonight.