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In the last decade, high-profile police killings – including George Floyd in 2020 – have shaken the nation and led to widespread protests and calls for reform, including hiring more nonwhite and female officers.
But there was little research to back that up. Now, a new study published last week in the journal Science, suggests that diversity in law enforcement can indeed lead to improvements in how police treat people of color.
“It’s a system that very clearly needs reforming,” said study co-author Dean Knox, an assistant professor at the Wharton School at the University of Pennsylvania. “We just haven’t had good data on what reforms work.” ....

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