Cryptonym: BKHERALD
https://www.archives.gov/files/iwg/declassified-records/rg-263-cia-records/second-release-lexicon.pdf
CIA document: Research Aid: Cryptonyms and Terms in Declassified CIA Files Nazi War Crimes and Japanese Imperial Government Records Disclosure Acts: Page 14: ..."Term: BKHERALD. Definition: Central Intelligence Agency (CIA)..."
104-10061-10115: LIST OF NAMES RE KENNEDY ASSASSINATION INVESTIGATION
This definition was part of a list of cryptonyms provided by the CIA at the request of HSCA staffers: ..."BKHERALD - CIA."
Edward Jay Epstein "Secrets of the Teheren Archive", http://www.edwardjayepstein.com/archived/teheren2.htm
Epstein's article offers the definition as the "CIA Soviet Bloc division".
104-10110-10299: PERSONAL SECURITY QUESTIONNAIRE
In the late 70s, Charlotte Bustos wrote: "My parents, three sisters and their husbands know I used to work for BKHERALD. I have tried to convince them I quit BKHERALD and now work for REDACTED. I believe they suspect I still am with BKHERALD."