Like the fact that up to 50% of the State Department was actually CIA, as noted by Arthur Schlesinger Jr and only declassified this year, 63 years later, as part of the recent trove of JFK files releases.

https://nsarchive.gwu.edu/briefing-book/2025-03-19/cia-cover...

(Even this much was the result of decades of sustained political support for disclosure since Oliver Stone’s landmark 1991 film.)

Key takeaway is that if the unaccountable minders thumping national security don’t want something released - ever - it won’t be releases.