Records on grounds related to national security, particularly with reference to top-secret sources and techniques of information gathering. That covers human intelligence,
Also known as “humint,” or how covert CIA agents individually get information, and “sigint,” or signals intelligences, or the technology used for foreign target eavesdropping.
Then-CIA director William Burns said in a Dec. 15, 2021 letter to Biden why some of the material in the archives on the 1963 murder should never be made public.
Burns said in it “all information” from the CIA’s archives “about the assassination itself” had been made available to the public.
“What remains redacted in the documents in this collection are not related to the assassination itself, but rather are primarily.
Post-assassination documents and the details which remain classified concern intelligence sources and methods of current relevance, Burns wrote.”
