Sims, Christian Vernon

HERVEY, J., delivered the unanimous opinion of the Court.

Christian Vernon Sims, Appellant, was charged with murder. He filed a pretrial motion to suppress evidence of real-time location information used to track his cell phone by "pinging" it without a warrant.

*637 Using that information, police found and arrested Appellant. In his motion to suppress, Appellant argued that the police violated the Fourth Amendment when they searched his phone for real-time location information. He also contended that the search violated the Stored Communications Act (the SCA), a federal law, and articles 18.21 and…