Protecting the British royal family is incredibly difficult. Fred Burton, former deputy chief of counterterrorism at the Diplomatic Security Service and the author of GHOST: Confessions of a Counterterrorism Agent, Chasing Shadows: A Special Agent’s Lifelong Hunt to Bring a Cold War Assassin to Justice, and Under Fire: The Untold Story of the Attack in Benghazi joins me to break down some of these security efforts and the challenges he faced on the job.