Chicago Alderman Ed Burke Quoted on African American Police Brutality Victim: " It's Only a Fucking Nigger"

With Chicago Police torture in the news because of former Commander John Burge,it's time to look at another Chicago situation.Another infamous Chicago Police torture case is a subject of interest for honest Chicago citizens.Justice Department witness Robert Cooley quotes powerful Chicago Alderman Ed Burke on another victim of Chicago Police brutality.According to Cooley,Alderman Burke says:"It's only a fucking nigger".Why didn't Alderman Burke sue Robert Cooley or the publisher of Cooley's book?