What is 'tear gas' and lacrimatory agents

Right now in the news you may be hearing about the use of tear gas against protesters. But what exactly IS tear gas and where did it come from? Dr. Sydnee and Justin talk about the origins of this chemical agent, what it is meant to do, and what one should do if they come into contact with it.

Music: "Medicines" by The Taxpayers https://taxpayers.bandcamp.com/

Immigrant Law Center of Minnesota: https://www.ilcm.org/donate/