This book describes the birth of the New Mexico Mounted Police in 1905 and tells the stories of the members of the original Mounties, starting with their first captain, John F. Fullerton. It details the many challenges of their first year of operation and offers an inside look at a territorial police force in action. Information drawn from personal interviews with ranger family members, Fullerton's personal papers and official Mounted Police records brings a wealth of detail to this story from New Mexico's rich history.