“You wouldn’t tell doctors to go out and start cutting people up to see if they’ve got bad gallbladders,” Sherman says. “You need to do lots of diagnosis first before you do any kind of dangerous procedure. And stop-and-search is a dangerous procedure. It can generate hostility to the police.” To Sherman, medicine’s Hippocratic oath—“First, do no harm”—applies equally to law enforcement. “I’ve just bought myself a marble bust of Hippocrates to try to emphasize every day when I look at it that we’ve got to minimize the harm of policing,” he went on. “We have to appreciate that everything police
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