The full study linked in the article (https://www.pnas.org/doi/10.1073/pnas.2402...

		ceejayoz 12 months ago \| parent \| context \| favorite \| on: Police stop more Black drivers, while speed camera... The full study linked in the article (https://www.pnas.org/doi/10.1073/pnas.2402547121) indicates they counted only "speed citations" in both groups.