Supposed government agents dressed in black suits who threaten UFO witnesses to keep them silent
In popular culture and UFO conspiracy theories, men in black (MIB) are government agents dressed in black suits, who question, interrogate, harass, threaten, allegedly memory-wipe or sometimes even assassinate unidentified flying object witnesses to keep them silent about what they have seen. The term is also frequently used to describe mysterious men working for unknown organizations, as well as ... Wikipedia