"Are Black police officers part of the solution in these cases, or are they firing their weapons at the same rate, trying to fit into an often violent, racist police culture? And even where Blacks are leaders, have they adopted that culture as a way of insuring their mobility in the system?"

* This could easily be rewritten to explain some Blacks.

Are some Blacks part of the solution, or are they anti-Black at the same rate, trying to fit into an often violent, racist, white culture? And even where Blacks are leaders, have they adopted that racist culture as a way of insuring their mobility in the system?