A joint release to law enforcement by the Department of Homeland Security and the FBI highlights the ongoing risk of terrorist used of chemical weapons in an attack. According to the release: “Violent extremists continue to encourage the use of toxic industrial chemicals (TICs) to conduct attacks through violent extremist

Chemical agents are poisonous vapors, aerosols, liquids and solids that have toxic effects on people, animals or plants. They can be released by bombs or sprayed from aircraft, boats and vehicles. They can be used as a liquid to create a hazard to people and the environment. Some chemical agents