Well the CIA arranged visas multiple times for Sheikh Omar Rahman, despite public protestations from countries like Egypt who labeled him a terrorist. He was the alleged mastermind of the first bombing attack on the World Trade Center in the 1990s:
https://www.nytimes.com/1993/07/22/nyregion/cia-officers-pla...
https://www.reuters.com/article/us-usa-tradecenter-rahman-id...
Sheikh Omar Rahman was also a critical player in creating and recruiting Uyghur terrorists.
Awlaki of Al Qaeda fame was allegedly a CIA asset:
https://realalexrubi.substack.com/p/leaked-cia-pressured-yem...
https://www.theamericanconservative.com/state-of-the-union/t...