Mohamed Noor the policeman who shot, the Australian woman in Minnesota is a Somali-American and is, in all probably, a Muslim. He's not your run of the mill black cop. He is a college graduate and became a cop because he had a calling to go into law enforcement. He also has previous complaints lodged against him because of his aggressive behavior. I'll reserve judgment on this case.
However, unlike ZEON, i'm a little less inclined to give white cops the benefit of the doubt. And perhaps where i live influences this. In Chicagoland, there is literally an "us-against-them" relationship between white cops and black people, and these white cops are not backing down. They shoot at the drop of a hat and if they don't start out as racists they become them after dealing with black folks. And just because black people are also guilty of being racist doesn't prove anything except that 2 rights don't make a wrong.
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A WEB site run by a white cop was uncovered by authorities in the city and what the thousands of white cops were posting on it was as racist as you could get. And yes, these bullies harass white people as well. There is also a high rate of sexual harassment of female cops by their fellow officers. And make no mistake about it, they are a Fraternal Order who protect their own.
My opinion is that white people who aren't racist, who are even-tempered, and capable of exercising good judgment don't become cops. They go into other professions. And if they do enter law enforcement, they eventually quit, becoming disillusioned after observing the misconduct of cops of all races.
Finally i would say that these young black punks out there need to stop testing these trigger happy cops, and other blacks should use common sense with dealing with them. These guys want to be looked up to and treated with respect and since they are in authority, humoring them is the best defense against them, albeit an unreliable one.