https://eyesonice.substack.com/p/minneapolis-mn-notoriously-carcinogenic
While local police are banned from using chemical irritants because of the danger they pose to the public, federal units operating in our city are using a loophole to deploy a poison that toxicity experts warn causes permanent lung damage and cancer.
Most news orgs say tear gas as a catch all. However there are several other videos showing green smoke being used as a chemical irritant. Tear gas and CS gas is not green. So if it is not HC gas being deployed the it is some new chemical compound.