by Frank Bergman, Slay News:
A military-grade crowd-control device capable of projecting powerful, focused sound was brought to the forefront during a tense anti-ICE protest in a Minneapolis suburb, as state troopers moved to restore order after days of unrest.
Minnesota State Patrol officers confronted demonstrators outside the SpringHill Suites in Maple Grove, where protesters believed federal immigration agents were staying.
After the crowd refused repeated orders to disperse, officers warned they would deploy a long-range acoustic device (LRAD), issuing a countdown before preparing to activate it.
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The LRAD is a highly directional loudspeaker originally developed for military use.
A military-grade crowd-control device capable of projecting powerful, focused sound was brought to the forefront during a tense anti-ICE protest in a Minneapolis suburb, as state troopers moved to restore order after days of unrest.
Minnesota State Patrol officers confronted demonstrators outside the SpringHill Suites in Maple Grove, where protesters believed federal immigration agents were staying.
After the crowd refused repeated orders to disperse, officers warned they would deploy a long-range acoustic device (LRAD), issuing a countdown before preparing to activate it.
The LRAD is a highly directional loudspeaker originally developed for military use.
It can broadcast amplified voice commands over long distances or emit piercing deterrent tones designed to disrupt and disorient crowds.
Minnesota State Police Deploy Long Range Acoustic Device (LRAD) Against Rioters-
Those tin whistles weren’t loud enough. Now you can really hear where ICE is located. Until you can’t hear anything… pic.twitter.com/zNmKAEJJE9— David L Wagner (@DavidLWagner4) January 27, 2026
Medical and defense experts have warned that close-range exposure can cause serious harm, including permanent hearing loss, ruptured eardrums, migraines, nausea, balance issues, and panic reactions.
Marine Col. Mark Cancian, a senior adviser at the Center for Strategic and International Studies, described its effect bluntly.
“We used it in Iraq … if you’re in the cone, it sounds like the voice of God is speaking to you.”
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