When Harold Dahl saw UFOs over Puget Sound in 1947, he never expected a visit from a man in black who would threaten him to keep quiet—spawning a phenomenon that would haunt UFO witnesses for decades.
When Harold Dahl saw UFOs over Puget Sound in 1947, he never expected a visit from a man in black who would threaten him to keep quiet—spawning a phenomenon that would haunt UFO witnesses for decades.