Sensitive classified documents pertaining to the assassination of John F Kennedy had been due for release.
A British newspaper received a strange phone call a mere 25 minutes before Kennedy's assassination.
The recording, which was made when Kennedy was 20, has been released by archivists at Harvard University.
New evidence seems to support the authenticity of a particularly controversial declassified CIA document.
The hearse used to transport the late President John F. Kennedy will go up for sale for the third time.
Historians and retired Secret Service officers have confirmed that Lee Harvey Oswald acted alone.
President John F Kennedy requested information on UFOs just ten days before he was assassinated.