"We've been trying to minimize. We put a lot of uniform presence out there, a lot of conversation, a lot of talking prior-to, and yet we have those tactical teams placed in situations and hidden from view, to deploy as necessary.
Kato was there during the '92 riots. He says the tactics they used back then worked for that occasion, but they're a little bit smarter now, and a little bit more effective.
Riot control teams are deployed to keep things from spiraling out of control. To keep people safe should an assembly turn less than peaceful. Who knows what agencies will be suiting up with and teaching their teams in the next generation of riots?