How does the CIA collect intelligence?
https://www.archives.gov/federal-register/codification/executive-order/12333.html
CIA not governed by FISA [intelligence operations conducted outside US]
I found this at the link for the Federal Register.
1.8The Central Intelligence Agency. All duties and responsibilities of the CIA shall be related to the intelligence functions set out below. As authorized by this Order; the National Security Act of 1947, as amended; the CIA Act of 1949, as amended; appropriate directives or other applicable law, the CIA shall:
(e) Conduct special activities approved by the President. No agency except the CIA (or the Armed Forces of the United States in time of war declared by Congress or during any period covered by a report from the President to the Congress under the War Powers Resolution (87 Stat. 855)1) may conduct any special activity unless the President determines that another agency is more likely to achieve a particular objective;
(e) Conduct special activities approved by the President. No agency except the CIA (or the Armed Forces of the United States in time of war declared by Congress or during any period covered by a report from the President to the Congress under the War Powers Resolution (87 Stat. 855)1) may conduct any special activity unless the President determines that another agency is more likely to achieve a particular objective;
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++++! find