As someone else has suggested, find an amateur radio club near you. Face to face interaction and most any operator will be happy to demo his radio gear. Also, a lot of clubs keep an operating station ready to go so that would be a good thing to see.
A relative sent me this a little while ago. The incident mentioned on the local news website.
https://www.newsmirror.net/news/local/a-message-from-the-yucaipa-police-department/article_9db9cb16-a53a-11ea-b133-0f1826361349.html#utm_campaign=blox&utm_source=facebook&utm_medium=social
My wife went to WalMart in Clarksville and right as she was leaving at 4:30, they were closing the pay center and it was announced that the store was closing at 5:00. No reason given. We heard that Jeffersonville is having some protester issues last night and today, no confirmation of that as yet.
This article by J.Neil Schulman from the Constitution Society seemed like a good parsing of the words. I'm sure some of the good folk here on INGO have seen it before.
https://www.constitution.org/2ll/schol/2amd_grammar.htm
The LRAD is a very loud speaker, but as another posted said, it is directional. Very directional. Also, it is capable of being driven to levels that cause injury and possibly worse. This makes it a weapon.
Who would operate this device while it is aimed at "citizens"? How will Bubba...
Would you folks call this weapons testing? The state of Missouri wants to use L-RAD Sound Cannons on motorists who are speeding in work zones.
Missouri will fire deafening 'sound cannons' at drivers to deter work zone speeding | The Verge