Wired.com: “Feds’ Use of Fake Cell Tower: Did it Constitute a Search?”

Wired.com: Threat Level: Feds’ Use of Fake Cell Tower: Did it Constitute a Search? by Kim Zetter:

Federal authorities used a fake Verizon cellphone tower to zero in on a suspect’s wireless card, and say they were perfectly within their rights to do so, even without a warrant.

But the feds don’t seem to want that legal logic challenged in court by the alleged identity thief they nabbed using the spoofing device, known generically as a stingray. So the government is telling a court for the first time that spoofing a legitimate wireless tower in order to conduct surveillance could be considered a search under the Fourth Amendment in this particular case, and that its use was legal, thanks to a court order and warrant that investigators used to get similar location data from Verizon’s own towers.

The government is likely using the argument to avoid a court showdown that might reveal how stingrays work and open debate into the tool’s legality.

Stingrays spoof a legitimate cellphone tower in order to trick nearby cellphones and other wireless communication devices into connecting to the tower, as they would to a real cellphone tower. When devices connect, stingrays can see and record their unique ID numbers and traffic data, as well as information that points to a device’s location. To prevent detection by suspects, the stingray sends the data to a real tower so that traffic continues to flow.

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