New interviews with witnesses detail the shootings in Norway that killed more than 90 people. When many people tried to swim to safety, the gunman shot at them from the shore. One witness said, “I heard shots right behind me. He was standing by the water, using his rifle, just taking his time, aiming and shooting. It was a slaughter of young children.” At one point, the gunman convinced several of those in hiding that he was a police officer and that they should come to him; he then shot at them. One member of Parliament said, “He shot a boy in the back. I saw that some people were falling, and we turned around and ran.” Police said the death toll might climb. At least four people are still missing from the attack on Utoya Island.