U.S. law enforcement agencies signed millions of dollars worth of contracts with a Virginia company after it rolled out a powerful tool that uses data from popular mobile apps to track the movement of people’s cell phones, according to federal contracting records and six people familiar with the software.
The product, called Locate X and sold by Babel Street, allows investigators to draw a digital fence around an address or area, pinpoint mobile devices that were within that area, and see where else those devices have traveled, going back months, the sources told Protocol.
They said the tool tracks the location of devices anonymously, using data that popular cell phone apps collect to enable features like mapping or targeted ads, or simply to sell it on to data brokers.
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