Please answer the following question: Build a movie plot around this: Who does Hoover claim will destroy the Bureau if he were to retire? Richard Nixon.
A:
The film opens with Hoover (Leonardo DiCaprio) in his office during his later years. He asks that a writer (Ed Westwick) be let in, so that he may tell the story of the origin of the FBI for the sake of the public. Hoover explains that the story begins in 1919, when A. Mitchell Palmer was Attorney General and Hoover's boss at the Justice Department. Palmer suffers an assassination attempt, but is unharmed when the bomb explodes earlier than intended. Hoover recalls that the police handling of the crime scene was primitive, and that it was that night that he recognized the importance of criminal science. Later, Hoover visits his mother (Judi Dench), and tells her that Palmer has put him in charge of a new anti-radical division, and that he has already begun compiling a list of suspected radicals. He leaves to meet Helen Gandy (Naomi Watts), who has just started as a secretary at the Justice Department. Hoover takes Gandy to the Library of Congress, and shows her the card catalog system he devised. He muses about how easy it would be to solve crimes if every citizen were as easily identifiable as the books in the library. When Hoover attempts to kiss her, she recoils. Hoover gets down on his knees and asks her to marry him citing her organization and education, but is once again denied. However, Gandy agrees to become his personal secretary.Despite his close monitoring of suspected foreign radicals, Hoover finds that the the Department of Labor refuses to deport anyone without clear evidence of a crime; however, Anthony Caminetti (Jack Axelrod) the commissioner general of immigration dislikes the prominent anarchist Emma Goldman (Jessica Hecht). Hoover arranges to discredit her marriage and make her eligible for deportation, setting a precedent of deportation for radical conspiracy. After several Justice Department raids of suspected radical groups, many leading to deportation, Palmer loses his job as Attorney General. Under a subsequent Attorney General, Harlan F. Stone (Ken Howard), Hoover is made director of...