He served as an Attorney General under his brother and, after his death, under Lyndon B. Johnson. He led a "War on Crime" but he found opposition among the American people. He also spoke against Jimmy Hoffa, and, as he said, "sheriffs are criminals". His friend Blake believed that his "War" is unwinnable as the people care primarily for their comfort, not what is right or wrong. Kennedy considered quitting his office and run for a Senator.