http://patdollard.com/2014/09/governor-lifts-ferguson-state-of-emergency-ending-possibility-of-special-prosecutor/

The emergency order also invoked a power Nixon ultimately chose not to use, in defiance of strong pressure from Brown’s advocates: the authority to replace McCulloch with a special prosecutor to lead the grand jury investigation into Brown’s death.
Read more at http://patdollard.com/2014/09/governor-lifts-ferguson-state-of-emergency-ending-possibility-of-special-prosecutor/#02Rkmef7qURubaGe.99