The book shows how the break-in, and subsequent release of the contents of the FBI's files to newspapers across the country, upended the public's perception of the up-till-then inviolate head of the Bureau, paving the way for the FBI's overhaul for the first time since its inception forty-seven years before, in 1924, and setting the stage for the sensational release three months later by Daniel Ellsberg of the top-secret seven-thousand-page Pentagon study of U.S. decision making regarding the Vietnam War that became known as the Pentagon Papers.