FILE - In this Wednesday, Feb. 8, 2017 file photo, members of the Chicago Police Department work with new predictive and tracking "ShotSpotter" technologies in a strategic decision support center at the Chicago Police Department 11th district headquarters in Chicago. In a Monday, May 3, 2021 court filing, community groups argue the gunshot detection system routinely reports gunshots where there are none, sending officers into predominantly Black and Latino neighborhoods for “unnecessary and hostile” encounters. (Erin Hooley/Chicago Tribune via AP)
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