Doc 0000146218

._., OFFICIAL I' AIR V I A: TO Chief, DATE: 19 July 1949 FROM Chief, SUBJECT: GENERAL· Operationu.l SPECif'IC· lllterrogation Techntqucs REFEREECE - :. A ~ Tl1cre is no ~.rm in~iscus~ing interrogation techniques in general with ~u'tjects, so long as they do not become fnmilbr \:ith the r I - 8/.3 d.etnil::~ of ~- of our O\~n oper~tlons. I m::-Etelf d.lnc-..1ss ·,;ith them briefly, c.ncl ciescribed ~ couple o: u::;es of it outside our o-..m interer-te - e.,. B/3:· the ease of th ... .•_ .. ..,------ , ! • ... r A ( r " 1 I 1 H I 1 · 9 ~ 4 ry 7 . ~' -2 e CLASSI~ICATIOrJ .. . .. -. I ... ·-., .I. -~ •• ~ . ' .... · . .. . .. . . .. · .. .- .-. : ···----~" .. , ........... ___ # .. -·._.-- • .; .. ~-- " . ...·...·. . The image displays a stylized graphic of a bank vault door on the left, with a prominent aperture and gears. To the right, white text on a dark background identifies "THE BLACK VAULT" and provides information about the document's origin from a database of declassified government documents. The text specifies that this record is part of the MKULTRA/Mind Control Collection, comprising over 20,000 declassified CIA pages, and provides a URL for downloading the collection. There are no photographs, handwritten annotations, official stamps, forms, diagrams, tables, or redactions visible in this image. The document is a typed "OFFICIAL DISPATCH" with handwritten annotations and significant redactions. The top reads "H/B, 1, 38/4" in blue ink. Official stamps are present, including "CLASSIFICATION." Multiple portions of text are blacked out with heavy redactions, obscuring names, specific details, and routing information. Handwritten notes appear throughout, including "B/3" in multiple locations, "A" in several places, and a signature-like flourish with the words "Si Can" at the bottom right. The document also includes a "FORM NO. 51-28 APR 1947" footer. No photographs, diagrams, or visual evidence of experimental procedures are present.