Victory! In a case involving cell site location information (CSLI), the Massachusetts Supreme Judicial Court held in September 2015 that the government must get a warrant for anything more than six hours of “telephone call” CSLI.

Attorney(s)

Matthew R. Segal and Jessie J. Rossman (ACLU of Massachusetts); Hanni M. Fakhoury (Electronic Frontier Foundation); Vivek Krishnamurthy and Andrew J. Sellars (Berkman Center Cyber Law Clinic at Harvard Law School)

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