“Warning! Armageddon is coming!”

“Warning! Armageddon is coming!” | Mysterious Universe: "In the early 1980s, Sagan became the subject of a secret, 33-page FBI file, and related investigation, after he became involved in a very strange affair, part of which was focused upon NASA’s ultimately ill fated Columbia Space Shuttle. On November 16, 1983, the FBI’s Special Agent in Charge at Cleveland, Ohio contacted the Washington, D.C. offices to report a very odd and sinister development in the life and career of Carl Sagan. The Cleveland Office ultimately recorded the following in a short memorandum to the Director of the FBI:"