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Jurors watched as Abu Ghaith waved his arms to add emphasis as he spoke in Arabic in one video. They also saw a video in which bin Laden bragged that the attacks had caused the United States more than $1 trillion in losses to its economy. And they saw video of media interviews with bin Laden in the late 1990s in which he urged that Americans be killed anywhere in the world.

Prosecutors also displayed on courtroom monitors a February 1998 bin Laden fatwa in which he said the killing of “Americans and their allies, both civilian and military, is the individual duty of every Muslim able to do so.”

Ferrara asked Fitzgerald whether the FBI’s investigation into 9/11 had turned up any evidence that Abu Ghaith was involved.

“No,” he replied.