One would think, before deploying a new crowd control weapon, someone would actually (a) do some research as to health effects and safe usage of the weapon, and (b) develop some guidelines as to when and how it's proper to use it.
One would think.
National Lawyers Guild Challenges NYPD on Use of Sound Cannons Against Peaceful Protesters
The New York Police Department is being challenged by legal advocates for what they say was the department’s use of untested, unregulated military-grade sound cannons during civil rights marches in Manhattan earlier this month.