FERGUSON, MO - AUGUST 15:  Standing in the parking lot of a gas station which was burned during rioting, Ferguson Police Chief Thomas Jackson announces the name of the Ferguson police officer responsible for the August 9, shooting death of teenager Michael Brown on August 15, 2014 in Ferguson, Missouri. The officer was identified as Darren Wilson, a six year veteran of the police department. Brown's killing sparked several days of violent protests in the city.  (Photo by Scott Olson/Getty Images)