Black cops shooting unarmed white teens have been covered. The fact is it just doesn't happen very much. There just isn't a 100 plus year history of black cops randomly killing white people. But your psychosis wants you to create strawmen so you can whine about being a white victim of oppression.
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White communities do not view the police with as much suspicion as Black Communities. Along the same lines, Police are more apprehensive about being called into Black Communities than they are White ones. I think it's hard for someone who has lived exclusively in one to empathize with the other.
The suspicion and apprehension are the seeds of the violent conflicts.
White communities have not faced 100 plus years of police violence perpetrated on them when innocent based on enforcing racist laws and department policy. Many white police are socialized as children and growing up to be "apprehensive" of blacks. They did not just become so when they got a uniform, gun and badge. That's the problem. I've lived in the hood and I've lived in white communities. If you are black in a majority white communiy you get the same treatment.
We as blacks are less segregated from whites than whites are from blacks. There aren't all that many blacks who can say the only time they have seen a white person was on TV.