Tear gas – a chemical weapon

US Border Control used tear gas to try and deter asylum seekers – many of who are women and children – at the US-Mexico border last weekend. But what do we know about tear gas? Dr. Anna Feigenbaum, author of ‘Tear Gas: From the Battlefields of World War I to the Streets of Today’, explains in this episode of On Contact with Chris Hedges how chemical weapons are used to attack and terrorize an opponent by attacking the senses simultaneously, “producing both physical and psychological trauma.”

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