Police pedestrian stops in Chicago, indicated by the black line, plummeted in late 2015 (shaded). That coincided with a sharp and lasting increase in traffic stops, shown by the blue line. Traffic stops by the Illinois State Police, the gray line, remained relatively unchanged.

Limiting pedestrian checks might not reduce encounters between police and civilians

Any encounter between police and civilians can go wrong (SN: 11/17/21). Stop-and-frisk, where police search pedestrians suspected of carrying contraband, can be particularly difficult, leading to some efforts to limit the practice. But simply limiting foot stops may not reduce the likelihood of such contentious encounters, a Chicago case study suggests. A sharp decline in…

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