*Crime in the US is once again falling. Can we rethink policing?*

Oakland, California, is an exception. Oakland's Operation Ceasefire cut the murder rate by almost half, during 2012-2017, but then it was altered and made ineffective; the murder rate almost to the previous level.

It worked by identifying gang members who were likely to get involved in deadly fights, then -- rather than repressing them -- making relationships with them to lead them away from that danger.