As the John F Kennedy assassination files are set to be released to the public, a letter supposedly written by the former president 10 days before his death has resurfaced. In the notice, dated November 12, 1963, JFK allegedly requested the director of CIA brief him about 'all UFO intelligence.' The recipient's name was redacted, but John McCone headed the department at the time. It stressed the importance of knowing what objects in the skies are unknown in the event the Soviets mistake a UFO as America spying on its defenses. The document was obtained by William Lester, who claimed it was released to him under the Freedom of Information Act while researching his 2011 book A Celebration of Freedom: JFK and the New Frontier.' However, the letter has not appeared anywhere but in Lester's book, leading some experts to question its authenticity. Lester believes his memo proceeded another that many conspiracy theorists claim indicates the CIA killed JFK, called the 'burned memo.' This myste...