- Here's how to identify some crowd control munitions, canisters of which federal agents have left on the ground after deploying them against people in Minnesota. bit.ly/3YWp1jE Graphic by Mark Boswell/The Minnesota Star Tribune
- The Minnesota Star Tribune spoke with three experts who reviewed videos and photos of the grenades that Greg Bovino threw on Jan. 21 and determined it was more than likely smoke, though many had thought it was a far more toxic gas, given his "gas, gas, gas" warning. bit.ly/3YWp1jEJan 26, 2026 20:09
- It is unclear whether the highly corrosive and carcinogenic hexachloroethane, or HC smoke, has been deployed in the immigration enforcement surge in Minnesota. It was used during the 2020 protests in Portland, Ore., following the Minneapolis police killing of George Floyd.
- In order to identify HC tear gas, there are three characteristics, according to an expert: • An intense orange-colored, metallic fire coming from the canister as it’s burning. • Fire that emits sparks and burns considerably hotter and longer than other grenades. • A white, gray or black smoke.
