An unknown auditory, crowd-control device briefly caused panic at a protest on March 15. Read more at straitstimes.com.
Acoustic or sonic weapons are devices that deliver very loud sounds over long distances. They can be designed to emit painful ...
Minister of Internal Affairs Ivica Dacic at the conference regarding the constant claims that a sonic weapon was used at the ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果