Audio Engineers Built a Shield to Deflect Police Sound Cannons
Amazing how in a supposedly litigious society like America it's possible to deploy a device which causes intentional, indiscriminate, permanent injury across a crowd and not get sued into oblivion. Bit like how tobacco, asbestos and Kinder eggs all incurred product liability because they weren't intending to be damaging to health, but gun manufacturers aren't liable because their products are supposed to be dangerous.