SEATTLE — It’s being touted as a non-lethal crowd control tool by the Seattle Police Department, but Long Range Acoustic Devices, also known as LRADs, are now coming under scrutiny locally and other ...

This story was updated at 9:41 a.m. ET on Aug. 18. Violent protests have ravaged Ferguson, Missouri since Aug. 9, after a police officer shot and killed an unarmed 18-year-old who is believed to have ...

AUSTIN (KXAN) — As Austin city leaders are poised to ban the use of beanbag rounds and tear gas against protesters, police have another way to disperse crowds. A photo taken and shared online this ...

Police plan to use what's called a long-range acoustic device to keep crowds from getting out of hand. ABC 7's Paul Meincke learned more about the device and what worked and didn't work in Pittsburgh.

What is LRAD? This is what the police 'sound cannon' does Rochester police used a Long Range Acoustic Device (LRAD) at a protest on Sept. 13, 2020. The devices emit loud high-pitched noises intended ...