- The Supreme Court held that police obtaining cell phone location data via a geofence warrant constitutes a Fourth Amendment search, overriding the third-party doctrine.
- The decision extends Carpenter v. United States principles, emphasizing privacy in location records and rejecting arguments based on data quantity or duration.
- Key unresolved issues include the scope of protection for other digital data, the robustness of Fourth Amendment safeguards, and warrant particularity requirements.
- Justices were divided: a majority upheld privacy expectations, concurrences raised concerns about warrant reasonableness, and dissents favored a broader third-party doctrine.