PHILADELPHIA - Should the government be allowed to track a person's movements based on cell phone records, without evidence of criminal wrongdoing? A showdown on the issue unfolded Friday in a federal appeals court in Philadelphia, as the Justice Department battled electronic-privacy groups. The privacy groups say the information could reveal when someone goes to a religious service, medical clinic or political rally, or is having an extramarital affair. Third U.S. Circuit Judge Dolores Sloviter seemed to share that concern.
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