Turns out: "Portland police relied too heavily on tear gas, projectiles, hand-thrown rubber-ball explosives and other distraction devices that harmed peaceful people in the crowd during 2020′s social justice protests and riots, outside examiners found." https://www.oregonlive.com/news/2023/08/portland-protests-police-relied-too-much-on-tear-gas-rubber-ball-grenades-outside-review-finds.html?utm_campaign=theoregonian_sf&utm_medium=social&utm_source=twitter