CONSPIRACY theorists have been sent into overdrive with speculation about a bizarre so-called "psyop" against US citizens after Donald Trump allegedly warned of a psychological operation in a cryptic tweet.
Some skeptics would have you believe that the Roswell UFO crash set the trend for reporting this type of strange event. But that’s not true.
Unidentified objects had been falling from the skies years before that. Here are 6 of the most intriguing cases: