Jay Nixon said addressing `` the broader , systemic issues '' raised by the unrest that followed the killing of Brown would demand `` sustained effort . '' Federal investigators have been looking into the Brown shooting . Sources say they have n't found enough evidence for Ferguson to face civil rights charges . The former Darren Wilson police officer shot and killed Michael Brown in Months .
Federal investigators have been looking into the Brown shooting . Sources say they have n't found enough evidence for Ferguson to face civil rights charges . The former Darren Wilson police officer shot and killed Michael Brown in Months .