Mathematicians urge colleagues to boycott police work in wake of killings

>>pseudo+(OP)
So-called Black Lives Matter costs black lives by making policing less effective. The "Ferguson Effect" has been documented. Recent headline: "104 shot, 14 fatally, over Father’s Day weekend in Chicago" https://chicago.suntimes.com/crime/2020/6/20/21297470/chicag... .

>>Boston+Vg
What do you mean by "making policing less effective"?

zlacker