"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... 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... Babel Street has kept Locate X a secret..." https://www.protocol.com/government-buying-location-data
Note: Google performs a similar service BUT apparently Google requires a warrant for its dragnet location service. https://www.wilderssecurity.com/thr...a-dragnet-for-the-police.415615/#post-2878705
What a weird construction of anonymity. They take consumer privacy so seriously they'll take a lot of money for it, and required complete secrecy about it all. Talking of construction, there would NEVER be any parallel construction going on here, and never misleading courts as to how evidence had come about. Honest.
Secret Service Has Been Buying Phone Location Data From Apps August 18, 2020 https://wccftech.com/secret-service-has-been-buying-phone-location-data-from-apps/