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The Boston Globe

Metro

Police need warrant for cell location data, SJC rules

The state’s highest court ruled today that law enforcement must generally obtain a search warrant before acquiring a criminal suspect’s cell-phone data in order to track his movements.

The Supreme Judicial Court, ruling in a case with echoes of the controversy over the National Security Agency’s surveillance programs, said a warrant is required under the Massachusetts constitution protections against unreasonable search and seizure.

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