By: WILLIAM FINN BENNETT - Staff Writer NORTH COUNTY ---- Marine Corps officials confirmed Friday that Lt. Gen. James Mattis has called for an investigation into who leaked documents recently from a massive investigation of the 2005 deaths of 24 Iraqi civilians in Haditha, Iraq. An attorney representing one of eight Camp Pendleton Marines charged in connection with the incident said Friday it was essential Mattis order the probe given the notoriety caused by a Jan. 6 Washington Post article. The newspaper cited interviews with eyewitnesses who allege four of the Marines had gunned down five men. "A lot of...