CHARLESTON, SC - APRIL 09:  Dot Scott, the President of the Charleston Chapter of the NAACP, surrounded by members of the board, holds a press conference to discuss the police killing of an unarmed black motorist, Walter Scott on April 9, 2015 in Charleston, South Carolina. Scott expressed the NAACP's appreciation for the officials who took "swift action to charge former officer Michael Slager with murder." Officer Slager shot Walter Scott, who was unarmed, in the back as he was running away after an altercation during a traffic stop on April 4.  (Photo by Richard Ellis/Getty Images)