Medical examiner Dr. Bernard Bannach speaks with reporters at the provincial court in Stony Plain, Alta., on Monday, Jan. 10, 2011 about his testimony at the fatality inquiry into the slayings of four RCMP officers. James Roszko ambushed and killed the four Mounties near the small northern Alberta farming community of Mayerthorpe on March 3, 2005. THE CANADIAN PRESS/John Ulan