Armstead v. United States of America

Plaintiff John Armstead filed a civil action against the United States, alleging that Drug Enforcement Administration (DEA) agents conducted prolonged, warrantless aerial surveillance of his private residence using advanced drones over several months. The government moved to dismiss, arguing that under existing precedents like Florida v. Riley, observations from public navigable airspace do not constitute a Fourth Amendment search. On June 11, 2024, Judge Carl J. Nichols of the U.S. District Court for the District of Columbia ruled that continuous, targeted drone surveillance with high-powered cameras intrudes upon a reasonable expectation of privacy, distinguishing it from isolated overflights, and therefore constitutes a search requiring a warrant. The case set a critical benchmark for applying constitutional protections to modern surveillance technologies.

Motion to dismiss denied; the court ruled that the targeted and continuous drone surveillance violated the Fourth Amendment's prohibition on unreasonable searches, requiring the government to obtain a warrant.

Whether prolonged, warrantless drone surveillance by federal agents of a home's curtilage constitutes a "search" under the Fourth Amendment, and whether the third-party doctrine and aerial observation precedents apply to persistent technological monitoring.

The ruling sparked widespread debate among legal scholars and privacy advocates, reinforcing calls for updated federal legislation on drone usage by law enforcement. It signaled a judicial shift towards limiting warrantless mass surveillance capabilities in the digital era and prompted multiple legislative proposals to codify strict warrant requirements for aerial monitoring technologies.