4. There are several theories about the assassination of U.S. President John F. Kennedy. These theories were generated shortly after the death of Kennedy, and have continued to arise since. Many of these theories propose a conspiracy, which would involve organizations such as the Federal Reserve System, the Central Intelligence Agency (CIA), the KGB, the Mafia, the director of the Federal Bureau of Investigation (FBI) J. Edgar Hoover, Vice President Lyndon B. Johnson and Richard Nixon including the army and the interests of the United States government as well as Masonic organization.