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Critics have called the use of the devices by government agencies warrantless cell phone tracking, as they have frequently been used without informing the court system or obtaining a warrant. [2] The Electronic Frontier Foundation has called the devices "an unconstitutional, all-you-can-eat data buffet". [70]
The device is similar to but distinct from an IMSI catcher. [ 4 ] On March 28, 2013, the Washington Post reported that federal investigators "routinely" use the systems to track criminal suspects, but sometimes fail to explain the technology sufficiently to magistrate judges from whom they seek search warrants.
GPS antenna size limits tracker size, often smaller than a half-dollar (diameter 30.61 mm). In 2020 tracking is a $2 billion business plus military-in the gulf war 10% or more targets used trackers. Virtually every cellphone tracks its movements. Tracks can be map displayed in real time, using GPS tracking software and devices with GPS ...
Diagram showing the operation of a StingRay device for cellphone surveillance. Cellphone surveillance (also known as cellphone spying) may involve tracking, bugging, monitoring, eavesdropping, and recording conversations and text messages on mobile phones. [1]
The devices do have the technical capability to record the content of calls, so the government requires these content-intercepting functions to be disabled in normal use. [12] In September 2015, the US Justice Department issued new guidelines requiring federal agents to obtain warrants before using stingray devices, except in exigent circumstances.
An international mobile subscriber identity-catcher, or IMSI-catcher, is a telephone eavesdropping device used for intercepting mobile phone traffic and tracking location data of mobile phone users. [1]
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