The afternoon that President John F. Kennedy was shot was a sunny one. The skies were clear with no clouds in sight. So when investigators pouring over the footage of the horrific assassination noticed a man opening a large black umbrella and waving it towards the heavens, they took an interest. Dubbed “Umbrella Man,” the figure would make waves in conspiracy circles and baffle the investigators on the case.
https://allthatsinteresting.com/umbrella-man
https://www.metacafe.com/watch/4539360/the_umbrella_man/