Mustard gas exposure is dangerous and traumatic – scientists are coming up with ways to detect its presence in the environment.

CSU Channel Islands professor Jonathan Caravello faces allegations that he threw a tear gas canister back toward a group of U.S. Border Patrol agents.

A U.S. Army veteran arrested during an immigration raid at a California marijuana farm says he was sprayed with tear gas and pepper spray.

A U.S. Army veteran arrested during an immigration raid at a California marijuana farm says he was sprayed with tear gas and pepper spray before being dragged from his vehicle on his way to work.

A taxpayer‑funded university. A math professor. And a tear gas canister flying back toward federal agents’ heads. That’s not a headline from some dystopian novel — that’s what court ...

A U.S. Army veteran who was arrested during an immigration raid at a Southern California marijuana farm last week said Wednesday he was sprayed with tear gas and pepper spray before being dragged f… ...