CIA Memorandum on HSCA Request Re: Heda Massing (104-10061-10132)
This single-page CIA memorandum, released by the National Archives on March 18, 2025 under the President John F. Kennedy Assassination Records Act of 1992, documents the Central Cover Staff's response to a House Select Committee on Assassinations (HSCA) request. Written by W.L. Latta of the Plans and Review Group, it references a 3 June 1978 letter from the Chief Counsel/Director of HSCA (OLC #78-2959). The memo states that CCS files contain information—approximately 20 documents, virtually all concerning cover—on Heda Massing, a U.S. citizen born January 1900 who served as an Agency contract agent from 1956 until her retirement in 1978, and who was officially assigned the pseudonym 'Marie L. Prisbecs.' It notes CCS files hold no information on the other individuals listed in the request.
Description
A CIA Central Cover Staff memorandum from W.L. Latta of the Plans and Review Group responding to a House Select Committee on Assassinations (HSCA) request. It confirms that CCS files contain roughly 20 documents on Heda Massing—an Agency contract agent (1956 until retirement in 1978) assigned the pseudonym 'Marie L. Prisbecs'—concerning the establishment and maintenance of cover, and that no information exists on the remaining individuals listed.
Claims
CCS files contain no information on the remaining individuals listed in the HSCA request.
95%Heda Massing, born January 1900, was a CIA contract agent from 1956 until her retirement in 1978, assigned the pseudonym 'Marie L. Prisbecs.'
85%CCS files contain approximately 20 documents on Massing, virtually all concerning the establishment and maintenance of cover.
85%CCS files contain approximately 20 documents on the subject, virtually all concerning the establishment and maintenance of cover.
85%'Marie L. Prisbecs' was a pseudonym officially assigned to Heda Massing, a U.S. citizen born January 1900.
80%Heda Massing was an Agency contract agent from 1956 until her retirement in 1978.
80%
Events
Jun 2, 1978
HSCA request to CIA
Letter for OLC from Chief Counsel/Director of HSCA (OLC #78-2959) requesting information on listed individuals.
Dec 31, 1977
CCS memorandum response
Central Cover Staff memo confirming files on Heda Massing and none on other listed individuals.
Mar 17, 2025
NARA public release
Document released under the JFK Assassination Records Act of 1992.
Jun 2, 1978
HSCA records request
Letter for OLC from Chief Counsel/Director of HSCA (OLC #78-2959) requesting CIA records.
Mar 17, 2025
NARA 2025 JFK records release
National Archives release of the document under the JFK Assassination Records Act of 1992.
Dates mentioned
Keywords
Entities
Extracted text (OCR)
‘\oa- 10061-10132) | | 2025 RELEASE UNDER THE PRESIDENT JOHN F. KENNEDY ASSASSINATION RECORDS ACT OF 1992 | +H ot Co CEREET mf MEMORANDUS! ECR: 9DO/ISS/IP/EIS FROM, > WW. LL. Latta . Plans and Review Group Central Cover Staff SUBJECT -: Vouse Select Committee on Assassinations | CHSCA) Request REFERENCE. : Letter for OLC fr Chief Counsel/Director — of HSCA, dtd 3 Jun 78 (OLC #78-2959) vo 1. In response to the request in Reference, CCS files contain information on a Marie L. PRISBECS, ‘@_pseudonyt) cofficially assigned to) Heda Massing, U.S. citizen, bora o January 1900, who was an Agency contract. Agent _ From 1956) until HeEF retirement in 1978... The information is. containeds can approximately. 20. —documents; ¥ yirtually all of which Concern thé establishment and maintenance of cover. 2. CCS files contain no information on the remaining "individuals listed: , QS ML atta > - “ALL. Latta Distribution: Orig & 1 - Addressee - SA/D0/0 - 10-41 (HSCA) - 19984 (Massing) - CCS/PRG chrono via board - (Lb chrono eo (MELatta:acn E2 IMPDET . CL BY 026009
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