They’ve been having a field day with the recent - but delayed - conviction of two whites who stabbed a black lad to death.
Black on white crime - which is much more prevalent - is routinely ignored as is the kind you are posting about.
They don’t want to face the reality of what violent crime statistics say about various populations, so they trumpet every example they can find of the least violent racial group preying on the most violent and ignore the humdrum, everyday reality of black violence.