(WSJ) “The U.S. government told a federal appeals court Thursday that it still has the right to place Global Positioning System tracking devices on cars without obtaining a search warrant—despite a January Supreme Court ruling that the warrantless installation of such a device violated the Constitution.

“The government’s awkward position—saying search warrants are not needed but advising agents to seek warrants anyway—highlights the unanswered questions about digital tracking techniques that remain in the wake of the court’s privacy decision in U.S. v. Jones in January.

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