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Tear Gas Toxicology

The toxic effects of tear gas and other riot-control agents, including CS, CN, CR, and oleoresin capsicum.

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Jan 22, 2026

What chemicals are commonly used by U.S. federal agents for crowd control and how are they regulated?

Federal agents in the commonly deploy such as tear gas (various “lachrymators”), pepper spray (oleoresin capsicum, OC), and irritant payloads in pepper‑ball projectiles during crowd operations, and co...

Jan 21, 2026

What independent toxicology tests have been done on canisters recovered from the Minneapolis protests?

Independent, third‑party toxicology analyses of physical canisters recovered from protests are not documented in the provided reporting; reporting instead documents investigative work tracing likely i...