When racism is built into an institution it emerges as the collective action of its entire population. If you've chosen a profession of oppression that means you agree to its terms and conditions and it doesn't matter what race you are.

Tyre Nichols Beating Opens a Complex Conversation on Race and Policing
The five officers charged with the murder of the young Black man are also Black, complicating the anguish and efforts at police reform.
nytimes.com
