Abdulaziz al-Omari was a Saudi airport security guard and Imam, best known for being one of five hijackers of American Airlines Flight 11 as part of the September 11 attacks.
Omari arrived in the United States in June 2001, on a tourist visa, obtained through the Visa Express program. On September 11, 2001, Omari boarded American Airlines Flight 11 and assisted in the hijacking of the plane, which was crashed into the North Tower of the World Trade Center, as part of the coordinated attacks.