Minnesota authorities used LRAD sound weapon on anti-ICE protesters. But that's not the full story

In extreme cases, sonic weapons can cause nausea, dizziness, and even permanent damage. In this case, officials used it to ...

Minnesota State Patrol uses long range acoustic device, first used by military, to disperse Maple Grove protesters

Minnesota State Patrol troopers used a powerful sound system first used by the military in Maple Grove, Minnesota, to ...
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LRAD sound weapons at protests: How they work and protection tips

LRAD sound weapons at protests use focused acoustic beams up to 162 decibels that cause permanent hearing damage, but ...
hometownsource.com

Maple Grove police say LRAD amplifier used at hotel protest

In a follow up to the incident where protesters were at a Maple Grove hotel on Jan. 26, The Press asked for more information. Specifically, about the use of LRAD ...