Boyle is the Secret Service agent assigned to dealing with Rumfoord-related issues. His presence implies an ongoing assault from Rumfoord, and the nicknames for Boyle—"Ambassador to Rumfoordiana," "Rumfoord Specialist"—imply that the Kennedys to do not take the assault seriously. Boyle is a true Secret Service man. He defends his integrity to Rumfoord and refuses to engage in a partisan debate. He has served both Republican and Democratic presidents and will continue to do so.