Summary: The bomb attack and shooting spree that killed 76 people in Norway on Friday, July 22, 2011 is refocusing attention on the threat of violent right-wing extremism and domestic terrorist attacks in the U.S. inspired by heated political rhetoric. … One-year retrospective: One year ago today, on July 25, 2010, Aubrey Immelman reported that two U.S. Navy personnel had gone missing in action in Afghanistan. According to a Taliban spokesman, one sailor was killed in a brief firefight and the other captured.