Cops have a license to kill with impunity. The race hysteria is used, ironically, to maintain the status quo via the clever bit of propaganda that "white" people are not at risk. Statistically, "whites" are less at risk, but only because they happen to be the richest demographic. As the article I've linked shows, the cops go after the weak and helpless, regardless of race or creed [2].
1. http://www.politico.com/magazine/story/2014/08/what-i-did-af...
2. http://www.wsj.com/articles/SB100014241278873238488045786080...