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Index/Topics/National Security Letters

National Security Letters

The use of National Security Letters by the FBI to compel business records and the attached nondisclosure orders that restrict recipients from speaking about the demand.

Fact-Checks

3 results
Jan 17, 2026
Most Viewed

Has any U.S. president ever sought to arrest or remove a governor and what happened?

No U.S. president has ever personally arrested a sitting state governor, and there is no clear historical precedent for a president unilaterally removing a governor from office; removals of governors ...

Jan 17, 2026

How do gag orders and National Security Letters in the US work in practice and what transparency remedies exist?

National Security Letters (NSLs) are administrative subpoenas the FBI may issue without prior judicial approval to compel business records while routinely attaching nondisclosure (gag) orders that bar...

Jan 9, 2026

What legal processes does DuckDuckGo follow when it receives a National Security Letter or FISA order?

DuckDuckGo says it designs its services so it does not collect or retain search or browsing histories tied to individual users and therefore cannot produce such records in response to legal demands li...

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