May 26, 2022—Two years after the killing of George Floyd by a police officer—and nearly 10 since the start of the Black Lives Matter movement—researchers are examining whether the ensuing protests and national conversation around racism and inequity have had led to any decline in the use of lethal force by police. As reported in a May 18, 2022 Undark article, the number of people killed nationwide by police has remained stable, but numbers have gone down in certain communities.
Researcher Travis Campbell of the University of Massachusetts Amherst, for example, used statistical modeling to compare census tracts that had experienced at least one Black Lives Matter protest between 2014 and 2019 to those that did not. The study found that those with protests experienced a 15% to 20% decrease in police homicides over the study period—around 300 fewer deaths.
Determining the impact of protests on police killings…
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