What does Black on Black Crime mean?

Black on Black Crime meaning in Urban Dictionary

A racist statistic developed by the FBI and ghetto frontrunners like Al Sharpton that ignores the situation of black colored folks killing and/or robbing non-blacks. Went out of vogue as a phrase soon, after it was created in the 1980s aided by the increase of gangsta rap, people indignation following the 1992 Rodney King Riots in addition to financial drop of afrocentric rappers like Public Enemy.