The hijackers were all members of al-Qaeda, a militant Islamist organization based in Afghanistan. The attacks were planned and executed by Osama bin Laden, the leader of al-Qaeda. Bin Laden was killed by U.S. forces in 2011.
The hijackers were:
* Mohamed Atta (pilot of American Airlines Flight 11)
* Abdulaziz al-Omari (co-pilot of American Airlines Flight 11)
* Marwan al-Shehhi (pilot of United Airlines Flight 175)
* Fayez Banihammad (co-pilot of United Airlines Flight 175)
* Satam al-Suqami (hijacker of American Airlines Flight 11)
* Waleed al-Shehri (hijacker of American Airlines Flight 11)
* Wail al-Shehri (hijacker of American Airlines Flight 11)
* Hani Hanjour (pilot of American Airlines Flight 77)
* Khalid al-Mihdhar (co-pilot of American Airlines Flight 77)
* Nawaf al-Hazmi (hijacker of American Airlines Flight 77)
* Salem al-Hazmi (hijacker of American Airlines Flight 77)
* Majed Moqed (hijacker of American Airlines Flight 77)
* Ahmed al-Ghamdi (hijacker of United Airlines Flight 93)
* Saeed al-Ghamdi (hijacker of United Airlines Flight 93)
* Ziad Jarrah (pilot of United Airlines Flight 93)
* Ahmed al-Haznawi (hijacker of United Airlines Flight 93)
These nineteen men were responsible for the deaths of nearly 3,000 people on September 11, 2001. Their actions changed the course of history and continue to have a profound impact on the world today.