Why are Blacks treated unjustly by Police and the "Justice System"?

The system is unfair to Blacks, personally I think its a racist system. Judges have changed their white sheets for black robes. Cops are even worst than judges. I was so sick of the system screwing me over, I decided to go grad school to be a lawyer. All though I have not completed my JD I have already gained a wealth of knowledge. Now I know how to fight back and use the system for my own best interest. Also, I help others to fight in court when the system has not been fair. Not just blacks, but anyone that is need of my help.