Quote Originally Posted by Alan View Post
I'm personally dubious of any claims that they're not, believing that their training may not be up-to-date but is usually acquired during training for peace officer certification.
I participate every few years in the state training exercises for riot control. It's a lot of fun (*), a lot of material, and a lot of work. Based on my observation, it is a perishable, specialty skill. I'd hope units deployed to these situations have this sort of training.

(*) One year we had a zombie-afternoon