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“The Secret Service paid for a product that gives the agency access to location data generated by ordinary apps installed on peoples’ smartphones, an internal Secret Service document confirms. The sale highlights the issue of law enforcement agencies buying information, and in particular location data, that they would ordinarily need a warrant or court order to obtain. This contract relates to the sale of Locate X, a product from a company called Babel Street.”

Source : Secret Service Bought Phone Location Data from Apps, Contract Confirms