Documents / Official release
This Federal Bureau of Investigation file section, part of file 62-HQ-83894, gathers flying saucer correspondence and memoranda mostly from 1952, with some from 1954. It includes a Savannah River Plant sighting teletype, Hoover replies that send public letters on to the Air Force, a San Diego report on Borderland Sciences, and a laboratory exam of the scoutmaster Desvergers' cap that found no residue. It also covers instructions to refer disc reports to OSI and a 1954 Cincinnati matter involving Truman Bethurum.
From the source:Release of 2026-05-08 Incident: N/A, N/A. 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.
“The Advance”6 pages
... I .,. Date, To: Troe, 'RECORDED_ l43 SubJec1i1 Oo1ob•r 281 Jg52 Dtr•ctor o/ Spectal Ino•attgatton• The Inap•ctor Gen•ral D•partaent o,f th• Atr Toro• Th• Pentago11 raabtngton 2s, D. c. Joh• Edgar Boouer, Dlr•otor t •d•ral Bureau o/ I,u1••ttgatt•• I \ rfriJi1uc'-fas.:JJtl r ~A•r• or• attached /or gour tn/or,aatton • cop11 o/ a aelJ-ezplaNio~u l•t1er dai•d Ootob•r 211 19~2, ond the encleaur•• fhtr•to, rec•tved bu thta , Burecw Jro• ur. Rarvel w. Re•c•• /. I 1/r. R••c• •a• been adutaad that ita lett6r ha• b••n r•J•rr•d to i,our Depar'ta••i• No ,furtl•r actt,oii ta b•i11g iaten in thia 114tter. bf/ "tl.&Ja Bureau._ \ Cl___ 01.a'T.ln__ v NOV5 i\ \
Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 205 pages are in the text index: search them above, or from the library's search.