On September 11, 2001, as Central Intelligence Agency analyst Philip Mudd rushed out of the Eisenhower Executive Office Building next to the White House, he could not anticipate how the terror unleashed that day would change the world of intelligence and his life as a CIA officer. Mudd, now a fellow with the New America Foundation’s National Security Studies Program, would later serve as deputy director of the CIA's rapidly expanding Counterterrorist Center and then as senior intelligence adviser at the FBI.