The war in Afghanistan has been stained by another atrocity, with another American soldier accused of brutally murdering helpless civilians. Sergeant Robert Bales is accused of leaving his base in a remote part of Afghanistan, brutally murdering 16 civilians, including nine children, and trying to set their bodies on fire. Friends and relatives say, "That's not our Bobby. Something horrible, horrible had to happen to him." We learn more about Bales, the strains of combat and the prospects for justice.