This May 1, 1992 file photo shows Rodney King making a statement at a Los Angeles news conference. King, the black motorist whose 1991 videotaped beating by Los Angeles police officers was the touchstone for one of the most destructive race riots in the nation’s history, has died, his publicist said Sunday, June 17, 2012. He was 47. (AP Photo/David Longstreath, file) This March 31, 1991 image made from video shot by George Holliday shows police officers beating a man, later identified as…