There is only ONE effective way to deal with a group’s miscreants—inconvenience the group.
Direct intervention by an outsider, even through the “injustice system” will fail.
Protection of miscreant members, in varying degrees is a benefit of group membership—until the group suffers, at which point they’ll fix the problem.
It is THE only way and they’ve attempted to make this illegal.
Let this sink in, you’ll soon realize it’s true. Tribe up!