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This FBI file serial documents the Bureau's retention of Gray Barker's 1956 book 'They Knew Too Much About Flying Saucers,' which originated the 'Men in Black' mythology in UFO research culture, indicating active FBI monitoring of civilian UFO literature during the early Cold War period.
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Official Description
The FBI's 62-HQ-83894 case file includes investigative records, eyewitness testimonies, and public reports concerning Unidentified Flying Objects and flying discs documented between June 1947 and July 1968. The records include high-profile incident accounts, photographic evidence from sites like Oak Ridge, TN, and technical proposals regarding potential propulsion systems. Additional topics include convention programs, researcher accounts, and extensive media coverage from the period. This file is partially posted on FBI vault with more redactions and some pages missing. Included here is the complete case file with several newly declassified pages and only minor redactions.
Key Findings
This FBI file serial (62-HQ-83894, Serial 403) contains what appears to be the dust jacket and publisher's description of a book titled 'They Knew Too Much About Flying Saucers' by Gray Barker, published by University Books, Inc. The document is a physical envelope from the FBI Central Records Center containing the book's cover materials rather than an investigative report. The content describes Barker's civilian flying saucer research and the alleged silencing of UFO researchers by unidentified 'men in dark suits.'
Analyst Notes
This document contains no original FBI investigative content — it is solely the dust jacket and publisher promotional text of a civilian-authored book filed within the FBI case folder. The book itself is a secondary, civilian source describing unverified claims about UFO researcher intimidation. No sensor data, official reports, or verified incident accounts are present in this filing. The 'men in dark suits' narrative is a well-known element of UFO folklore and has not been officially corroborated.
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AI analysis by claude-sonnet-4-6 · May 20, 2026