The demonstrations may reduce police violence — while leading to an even greater increase in murders overall.
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L
ast week, Vox spotlighted some results from an important new study by Travis Campbell.
The study looks at the effects of Black Lives Matter protests, using data that end in 2019 (and thus do not include the George Floyd protests last year). The good news is that the protests did seem to reduce police-involved homicides in the places where they occurred — by maybe 15 to 20 percent, relative to trends elsewhere — and also led departments to adopt body cameras and community policing. The bad news is that the protests also coincided with an increase in murder, by somewhere around …