Your "facts" are objectively wrong. Blacks are arrested for 52% of the nation's HOMICIDES. They commit 37% of violent crime and 27% of all crime according to BJS data from 2016.
https://ucr.fbi.gov/crime-in-the-u.s/2016/crime-in-the-u.s.-2016/topic-pages/tables/table-21
And this is only accounting for arrests, not convictions, and blacks are more likely to be wrongfully convicted than whites.
https://research.msu.edu/innocent-african-americans-more-likely-to-be-wrongfully-convicted/