Rollie Chance was home in Stafford, about 40 miles south of Washington, when he began watching the news about the shootings at the Washington Navy Yard Monday morning. A retired Navy lieutenant, he had worked in Building 197 on the fourth floor and was worried that some of his friends and former colleagues might have been killed. Then shortly after noon, he got a phone call from someone who said they were with ABC News. “They asked me if I knew Rollie Chance,” Rollie Chance said. “Then they said, ‘Did you know Rollie Chance was the perpetrator of the Washington...