It seemed clear that they were all about to die, Mr. Wickland testified Monday, the first day of the trial of Ahmed Abu Khattala, who is accused of helping orchestrate the attacks. Then the attackers left, but moments later, thick black smoke from a fire they had set started to pour in. Mr. Wickland told the others to follow him as they crawled to a bathroom window, but he lost them in the choking blackness. “To this day, I don’t even know where they went,” he said. “I was right next to them, and then that’s it.” Four Americans died...
