Blending history and memoir, retired U.S. Marshal Mike Earp, a descendant of the legendary lawman Wyatt Earp, offers a behind-the-scenes look at the most storied law enforcement agency in America, illuminating its role in the nation's development for more than two hundred years, sharing the author's personal experiences and touring this extraordinary organization, the oldest, the most effective, and the most dangerous branch of American law enforcement, and the least known.