(CNN/Money) The FBI has a secret device to locate criminal suspects, but it would apparently rather let suspects go free than reveal in court any details of the high tech tracker.
The device, called a "Stingray," tricks cell phones into revealing their locations. A judge's court order this week threatens to reveal closely guarded details about how police use Stingrays.
Judge Patrick H. NeMoyer in Buffalo, New York, described a 2012 deal between the FBI and the Erie County Sheriff's Office in his court order Tuesday: The FBI instructed the police to drop criminal charges instead of revealing "any information concerning the cell site simulator or its use."
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