Through the Wormhole with Morgan Freeman showed that blacks will shoot quicker at a black potential threat than a white one.
It’s just how it is, you can’t beat common sense.
It is not immoral bias when a demographic group acts much more violently than others, both towards its other members and other groups.
If blacks reformed the family and applied fatherly discipline to the next generation at the same rate whites do now, their crime rate would drop to a quarter of today’s. (Their illegitimacy is 3 times that of whites.)