“In any event, the Hamburg four finalized their plans for pilot training in the United States without attracting attention from police or intelligence agencies.48 Marwan al-Shehhi fell into conversation that spring with a Hamburg librarian, Angela Duile, as he prepared to depart for America. “Something will happen and there will be thousands dead,” he told her. He mentioned the World Trade Center, she recalled. She did not think he was serious.”
