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

MINNEAPOLIS, MINNESOTA: The anti-ICE protests across Minnesota escalated following the killing of two individuals - Renee Nicole Good, 37, and Alex Pretti, 37 - in January 2026. The recent death took ...

LRAD sound weapons at protests use focused acoustic beams up to 162 decibels that cause permanent hearing damage, but distance and industrial earplugs provide effective protection.

Minnesota State Patrol troopers used a powerful sound system first used by the military in Maple Grove, Minnesota, to ...

During protests in the USA, security authorities use LRAD systems for announcements and crowd control. How do these "sound cannons" work?

The City has agreed to pay $748,000 to settle a lawsuit brought by Black Lives Matter protesters who said the NYPD illegally targeted demonstrators with Long Range Acoustic Devices [LRAD] in 2014.

The NYPD must stop using deafening sound cannons to break up street demonstrations following a legal settlement reached Monday with five Black Lives Matter protesters. The city also must pay $748,000 ...

The NYPD has agreed to limit the use of sound cannons during protests as part of a lawsuit settlement that also comes with a price tag of $750,000 for the city, new court documents reveal. The ...