Operation Cyclone.
Under the Carter administration, per the design of Zbigniew Brzezinski, Muslim Brotherhood operatives inside of Saudi Arabia were given propaganda training and other such cool things by U.S. Special Forces. Then we re-named them as the Mujahedeen, since Congress had figured out that the MB were a bunch of Nazi-affiliates by that point.
Good times… Good times…
Well… until OBL decided he wanted to rinse and repeat Afghanistan the world over in preparation for the Caliphate… but was that REALLY such a surprise to the people who kept making the decision to fund him in Chechnya, Yugoslavia, etc?