“U.S. attorney Patrick Fitzgerald, who had negotiated a plea bargain with [al Qaeda double agent Ali] Mohamed, testified at some length about him to the 9/11 Commission [on June 16, 2004]: ‘Ali Mohamed…trained most of al Qaeda’s top leadership–including bin Laden and [al Qaeda second-in-command Ayman al-] Zawahiri–and most of al Qaeda’s top trainers. Mohamed taught surveillance, countersurveillance, assassinations, kidnapping, codes, ciphers, and other intelligence techniques.’ ”
– Peter Dale Scott, The Road to 9/11, Page 152