U.S. News & World Report

Wireless Carriers Reveal User Data Requests

PC Magazine
In September, Markey penned letters to the top four U.S. wireless carriers, as well as U.S. Cellular, C Spire, and Cricket/Leap Wireless, and asked that they reveal details about what type of user information they handed over to law enforcement ...

Cellphone firms regularly give data to law enforcement

Boston Globe

Cell Providers Collect Millions From Police for Handing Over User Information

U.S. News & World Report

Cops and Feds Routinely 'Dump' Cell Towers to Track Everyone Nearby



New York Times

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