Note: Originally published March 29, 2009 (Angelia Levy/ohmygov.com). Read the comments section, specifically the January 26, 2018 posting for links to recent resources. A bomb just went off at an overseas U.S. Embassy. An attorney general is tanking cases in exchange for monetary kickbacks. Known terrorists have entered the United States as students. A drug… Read More An Overview of the Major U.S. Intelligence Agencies: What is the Difference Between the DIA, NSA, CIA and FBI?