The Foreign Intelligence Surveillance Act (FISA) sets forth procedures for the surveillance and collection of foreign intelligence information.

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In 1978, after Congressional investigations of the CIA, Congress passed the Foreign Intelligence Surveillance Act, which set up a secret, special court inside the Justice Department to issue warrants for this kind of spying.

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The core piece of controversial legislation is the Foreign Intelligence Surveillance Act (FISA), which became law in 1978.

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