Maybe he can appoint Al Sharpton temporary chief of police.
Check it out:

The head of the Justice Department’s Community Oriented Policing Services is planning to return to St. Louis in the next few weeks with the goal of helping to ease the tensions between police and black residents in the greater St. Louis area.

COPS Director Ronald Davis said in an interview with The Huffington Post this week that his office will offer training not only to police in the small town of Ferguson, where unarmed 18-year-old Michael Brown was shot by a white officer earlier this month, but also to various other law enforcement agencies in the region.