Huh?
According to 2012 Metropolitan Police Department, City of St. Louis: Annual Report to the Community:
84.7% of those arrested for aggravated assault in St. Louis in 2012 were black.
91.8% of those arrested for robbery in St. Louis in 2012 were black.
97.6% of those arrested for murder in St. Louis in 2012 were black.
78.6% of those arrested for forcible rape in St. Louis in 2012 were black.
http://www.slmpd.org/images/2012AnnualReport_D.pdf
:-)