Carpenter v. United States is a landmark case decided by the Supreme Court in 2018. It held that law enforcement's warrantless acquisition of cell-site location information (CSLI), which tracked an individual's movements over an extended period, violated their Fourth Amendment rights.
Related terms
Metadata: Information about data such as time stamps or geographical locations associated with communications that can provide insights into an individual's activities.
Reasonable Expectation of Privacy: The level of privacy that an individual can reasonably expect in certain circumstances, which determines whether a search or seizure is considered reasonable or unreasonable.
Digital Privacy: The protection of personal information and data stored on digital devices or transmitted over the internet from unauthorized access by individuals, corporations, or government entities.