In a western country, when a non-white person belligerently murders one of your children, spooks come to your door and "console" you i.e. tacitly threaten or otherwise coerce you on the matter of your public response and the possibility of you expressing any retaliatory behavior.
The murder of a child is statistically one of the most radicalizing things that could happen to you so they have to do this per their Prevent New Hitlers policy suite.
(and I would hazard a guess that truly vengeful parents get gangstalked, but that is another can of worms)
Me, several days ago: