the justice department said tuesday it has opened a investigation into the death of freddie gray , a black man who suffered a fatal spinal-cord injury under mysterious circumstances after he was handcuffed and put in the back of a police van .
baltimore police officials , meanwhile , released the names of six officers who were involved in the arrest and the van transport of the 25-year-old and who 've been suspended pending an investigation .
but the developments were cold comfort to hundreds of residents who on tuesday evening .