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Tear Gas Use in US Crowd Control

The use of tear gas by law enforcement in the United States for crowd control, including types of agents used, delivery mechanisms, and identification methods.

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Jan 22, 2026
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What are the common chemical agents used by U.S. law enforcement for crowd control and how are they identified post-deployment?

law enforcement most commonly deploys riot-control “” agents such as CS and CN, and pepper-based agents (OC); other compounds (CR, DM/adamsite) exist historically or in limited use, while delivery for...

Feb 3, 2026

How have medical professionals and hospitals documented injuries to children from tear gas and flash‑bang exposure in U.S. crowd‑control incidents?

Medical providers and emergency services have repeatedly documented short-term medical effects in children after exposure to and flash‑bang devices during crowd‑control incidents—reports include emerg...