police shoot reoffending suspect to death

http://www.youtube.com/watch?v=z8Sahlx8BcA

Racist police shooting or police just doing their business? you be the judge.

I have heard that the police can only "open fire" when they see a gun in the hand of the criminal and it seems he is prepared to use it (although I'm sure if you see it in his hand of course he is prepared to use it) and then it can be used as a pre-empted strike therefore I would say racist police shooting