Request Gun Shots News Today

>> reporter: four minutes after the initial request gun shots. whether an officer with a taser arrived before mcdonald was shot is unclear. >> shots fired by the police. >> you guys okay. >> reporter: mcdonald later died. officer van dyke is scheduled to be arraigned next week on first-degree murder charges. kevin tibbles, nbc news, chicago. >> last night christmas eve was celebrated around the world, pope francis led mass for 10,000 pilgrims. his only public mass for christmas, the pope call fo...