U.S. v. U.S. Dist. Ct. for the E.D. Mich.

Citation: United States v. U.S. District Court for the Eastern District of Michigan, 407 U.S. 297 (1972).

U.S. Supreme Court prohibited unauthorized electronic surveillance to gather intelligence for domestic security purposes, holding that:
 * prior judicial approval is required for the type of domestic security surveillance involved in this case and that such approval may be made in accordance with such reasonable standards as the Congress may prescribe.