Arthur Schlesinger’s full 15-page memo calling for President John F. Kennedy (JFK) to break up the CIA in 1961:
“The contemporary CIA possesses many of the characteristics of a state within a state.”
https://halturnerradioshow.com/index.php/news-selections/world-news/bombshell-release-full-schlessinger-memo-advising-jfk-to-disband-cia