Mark Krueger was an amateur photographer who testified as a prosecution rebuttal witness called by Marcia Clark. He testified that on December 29, 1990, he was at Soldier Field in Chicago taking photographs of the Bears–Chiefs football game for his stepfather's newspaper, working from the sidelines, the end zone, and other locations on the field. On September 11, 1995, Clark conducted his direct and redirect examinations, and Robert Blasier conducted his cross- and recross-examinations.