FBI Tracks Cellphones Via "Stingray"

By Robert Vamosi | 3/11/13 4:02 AM

Apparently the ability for the FBI to track cellphones has been used for nearly two decades, a new report states.

According to the Slate, a case known as United States v. Rigmaiden first brought attention last October to the use of "stingray," a secretive device used to capture International Mobile Subscriber Identity or IMSI numbers. IMSI numbers can be traced to specific handsets and user whenever they come into contact with cellular towers, leaving digital breadcrumbs documenting the location of a user at any given moment that the mobile device is functioning.

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