Mobile phone tracking
Mobile phone tracking refers to the ascertaining of the position of a mobile phone, whether stationary or moving. Localization may occur either via multilateration of radio signals between (several) r...
Federal Agents Will No Longer Use 'Stingray' Cellphone Trackers Without Warrants
Immigration, Secret Service, and homeland security investigators must now obtain warrants before using controversial "Stingray" cellphone trackers, a federal official told a House panel Wednesday. Th...
Stingray spying: FBI's secret deal with police hides phone dragnet from courts
The FBI is taking extraordinary and potentially unconstitutional measures to keep local and state police forces from exposing the use of so-called “Stingray” surveillance technology across the United ...