cell site location information

Warrantless Cell Phone Tracking: The Fifth Circuit Weighs In

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I wrote here about how law enforcement officers may obtain historical information about the location of a suspect’s cellular phone. There have been several developments in the law since then, including earlier this week when the Fifth Circuit rendered its decision in In re Application of the United States of America for Historical Cell Site … Read more

Cell Phone Tracking

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I’ve had several questions lately about the authority of law enforcement to track a suspect by obtaining information about contacts between the suspect’s cellular telephone and cellular towers. I’m also going to be teaching about some related issues in the near future. So I’ve prepared a short summary of the law in this area, which … Read more