"Black Cops Are Just as Likely as White Cops to Kill Black Suspects," the title reads. Then the article goes on to say that institutional racism is the real issue. However, even though we all know there is racism that is institutionalized, it doesn't mean that, that necessarily accounts for even most of why "Black Cops Are Just as Likely as White Cops to Kill Black Suspects." It's a hypothesis. It's an understandable and valid question, which needs testing.
What about the predilection for crime? If there is a higher predilection, what factors have gone into it?
The point is to get at the root causes (plural) to correct them. What we shouldn't do is stick with a vicious cycle.