US Secret Service agents are constantly with the people they're sworn to protect, and they are meant to be as invisible as humanly possible. Joining their ranks requires rigorous preparation and a difficult application process, but once inside, agents gain access to the personal lives of some of the world’s most powerful figures.
With that access comes extraordinary revelations and unexpected challenges. Some agents have shared their experiences, offering a rare insight into what it’s like to guard the leader of the free world. Click through to discover their stories.