Silencers
"Silencers" is John Keel's own term for Men in Black-type figures, coined in his research on 1960s-era witness intimidation reports and reflecting his broader, unconventional theory of what UFOs actually are. Keel — the investigative journalist best known for chronicling the Mothman sightings around Point Pleasant, West Virginia — rejected the popular assumption that MIB were government agents from the CIA, Air Force, or another intelligence service sent to suppress UFO witnesses. Instead, he argued the phenomenon itself, whatever its ultimate nature, was capable of generating these intimidating visitors directly, as one more manifestation alongside the lights, craft, and occupant sightings, rather than as a separate human cover-up operation layered on top of a real phenomenon. Keel's "silencer" framework sits inside his larger interdimensional-hypothesis worldview, developed at length in "The Mothman Prophecies" (1975), in which he treated UFOs, cryptids, poltergeists, and high-strangeness entities as different faces of one underlying non-human intelligence or "ultraterrestrial" presence rather than as physically distinct phenomena requiring physically distinct explanations. The term never displaced "Men in Black" in popular use, but it remains the standard reference point for researchers distinguishing the intimidation-focused "MIB as agents" reading from Keel's stranger "MIB as phenomenon" reading.