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Index/Topics/LRAD Litigation

LRAD Litigation

The legal settlements and internal reviews that have reshaped LRAD training and permissible modes, including a 2021 settlement with the NYPD.

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Jan 28, 2026
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Which U.S. agencies are documented users of LRAD systems and how are they trained to deploy them?

are documented in use across a spectrum of U.S. agencies — from federal law enforcement to city police departments and the military — and are governed unevenly through a mix of department policies, ma...

Jan 28, 2026
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What court rulings and lawsuits have addressed police use of LRADs against protesters in the United States?

Federal and local courts have directly confronted police use of Long Range Acoustic Devices () against protesters, most prominently in , where a federal district judge and then held that LRAD “area de...