overseen the bureau’s rogue intelligence division, which had spied on individuals merely because of their political beliefs. Hoover had also never been a detective. Never been in a shoot-out or made an arrest. His grandfather and his father, who were deceased, had worked for the federal government, and Hoover, who still lived with his mother, was a creature of the bureaucracy—its gossip, its lingo, its unspoken deals, its bloodless but vicious territorial wars.