After all , the investigation was personally announced by the attorney general himself after the President publicly commented on the case . # ##son : Justice Department made a mistake with its new investigation of Ferguson police . Smith : He says the probe is politically inspired and risks prejudicing the Michael Brown case . Prosecutors and grand jury seeking to determine if criminal charges are warranted , he says . Callan : Now is not the time to announce that Ferguson police are under federal investigation .
# ##son : Justice Department made a mistake with its new investigation of Ferguson police . Smith : He says the probe is politically inspired and risks prejudicing the Michael Brown case . Prosecutors and grand jury seeking to determine if criminal charges are warranted , he says . Callan : Now is not the time to announce that Ferguson police are under federal investigation .