Rather than obtaining a warrant, the bureau purchased sensitive data - a controversial practice that privacy advocates say is deeply problematic.
The United States Federal Bureau of Investigation has acknowledged for the first time that it purchased US location data rather than obtaining a warrant. While the practice of buying people's location data has grown increasingly common since the US Supreme Court reined in the government's ability to warrantlessly track Americans' phones nearly five years ago, the FBI had not previously revealed ever making such purchases.
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