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Justice Brennan’s Prophetic Dissent in Florida v. Riley
In Florida v. Riley (488 U.S. 445), decided in 1989, the United States Supreme Court held that the Fourth Amendment did not require law enforcement to obtain a warrant before conducing surveillance from a helicopter hovering 400 feet above the ground. Here is an excerpt from Justice Brennan’s dissent, which is not only prophetic, but makes one amazed at the rapid progress of technology that has given rise to the increased use of commercial drones:
Imagine a helicopter capable of hovering just above an enclosed courtyard or patio without generating any noise, wind, or dust at all—and, for good measure, without posing any threat of injury. Suppose the police employed this miraculous tool to discover not only what crops people were growing in their greenhouses, but also what books they were reading and who their dinner guests were. Suppose, finally, that the FAA regulations remained unchanged, so that the police were undeniably “where they had a right to be.” Would today’s plurality continue to assert that “[t]he right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures” was not infringed by such surveillance? Yet that is the logical consequence of the plurality’s rule . . . . (Florida v. Riley, 488 U.S. 445, 462-63)