: The first major report came in 1947 from Harold Dahl, who claimed a man in a dark suit warned him not to speak of his UFO sighting.

: "People are dumb, panicky dangerous animals and you know it. ... Fifteen minutes ago, you knew that humans were alone on this planet. Imagine what you'll know tomorrow." — Agent K.

: The movies were based on a Malibu/Marvel comic series by Lowell Cunningham. The original comics were significantly darker, featuring agents who investigated various paranormal entities (including demons and mutants) and sometimes used lethal force to keep secrets.

" Men in Black " refers to both a popular sci-fi media franchise and a long-standing conspiracy theory within UFO folklore. While the movies are known for their humor and action, the real-world legends that inspired them are often described as much more unsettling.