Suppose people show up with backpacks—and we see this all the time—with gas masks, handkerchiefs, and different items. They are people who are known to us. They infiltrate a crowd and hide in it. As soon as they are masking up, or if we search their backpacks, we can have a much stronger response if we have a law that's specific to that, rather than our going to a riot or going to an unlawful assembly.... We're looking for tools that help us prevent and mitigate before that line is cut.
