An American author based in Paris, France. He has held several posts as a US Foreign Service officer before becoming a journalist on assignments in Europe, the Middle East, and Southeast Asia. He has also served in the United States Military in both World War II and Korea, and was involved in a number of covert intelligence activities as a U.S. Foreign Service Officer at Karachi and Geneva during the Cold War. His French-born wife, now deceased, worked with the U.S. intelligence community in Geneva. Vaughan has intimate knowledge of clandestine, international operations.