"The best book ever written about the strangest CIA chief who ever lived." - Tim Weiner, National Book Award-winning author ofLegacy of AshesA revelatory new biography of the sinister, powerful, and paranoid man at the heart of the CIA for more than three tumultuous decades.CIA spymaster James Jesus Angleton was one of the most powerful unelected officials in the United States government in the mid-20th century, a ghost of American power. From World War II to the Cold War, Angleton operated beyond the view of the public, Congress, and even the president. He unwittingly shared intelligence secrets with Soviet spy Kim Philby, a member of the notorious Cambridge spy ring. He launched mass surveillance by opening the mail of hundreds of thousands of Americans. He abetted a scheme to aid Israel's own nuclear efforts, disregarding U.S. security. He committed perjury and obstructed the JFK assassination investigation. He oversaw a massive...