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Several foreign police location tracking technologies

The US Electronic Privacy Information Center said that for nearly 20 years, the FBI has been using a mobile tracking device called "Stingray", which has been deployed throughout the United States. “Stingray” is a lightweight surveillance gadget that can be used to jump from a user's phone to a fake network in a specific location (government personnel generally call them “base station simulators” or “digital analyzers”). Positioning. "Stingray" is sometimes referred to as "IMSI Catcher". The FBI said they use the device to locate target suspects and monitor suspects on the move in real time, rather than intercepting communications.


The Electronic Privacy Information Center pointed out that this tool is far from new, because as early as 1995, the authorities have used technology similar to "Stingray" for monitoring. The Electronic Privacy Information Center received more than 25,000 pages of "Stingray" tools, not only suggesting that these mobile surveillance devices were widely deployed in the 1990s, but also that the FBI conducted mobile tracking technology training in 2007.

“Stingray” is a new technology used by law enforcement agencies to locate people. Usually, no search warrant is required. It is designed to locate a mobile phone even if it is not used for a call. The device can be hand-held or mounted on a car and allows investigators to move quickly. "Stingray" works by mimicking a cell phone base station, allowing the phone to connect to it and signal from it. As long as the phone is on, it allows “Stingray” to connect to the phone, send a signal to the phone and locate it. The device is currently used by law enforcement agencies in the United States, including assisting in locating suspects and assisting rescue teams in searching for people who are lost in remote areas or who are buried under rubble.


One of Stingray's manufacturers is a Florida-based defense contractor, Harris, which can be produced by other manufacturers of similar equipment. According to Harris's documents, their equipment is only sold to law enforcement agencies and government agencies.

It took the US federal authorities more than a year to hunt down a man named Rigmaiden. During the investigation, the authorities used a small number of mobile tracking devices called "Stingray" to determine their residence in California. And implemented a successful arrest. Federal investigators say their process of pursuing Rigmaiden can be described as "both twists and turns." In the end, they were successfully linked to a device that Rigmaiden used to use a mobile broadband card that can access the Internet via a computer and then enter the mobile communication network. The scouts used the Stingray device to pinpoint the location of the broadband card, then they entered the property management center of the apartment and learned that a tenant was using a fake ID card and tax return on behalf of the landlord. Based on the relevant documents of the court, based on this fact, the investigator found a broadband card connected to the computer at the apartment.

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