...Is it because in the case below, the killer is Black and the Marine is White in the other case?
:
Charges dropped against NYC man accused in fatal subway stabbing
Charges dropped in fatal NYC subway stabbing
A grand jury declined to indict Williams on manslaughter and weapons charges in connection with the June 13 deadly stabbing of Devictor Quedraogo, 36, on a Brooklyn J train. Quedraogo was alleged to have punched Williams' girlfriend and harassed other passengers.