| Event | Time | Location(s) | Associated |
|---|
 Al-Qaeda seeks WMD |  1993 | | |
| Al-Qaeda members visit chemical warfare research lab | Late 1993-
Early 1994 | Chemical weapons lab, Hilat Koko, Khartoum, Sudan | Jamal Ahmed al-Fadl, Mamdouh Mahmud Salim, Abu Rida al Suri, Muqadem Abdul Baset Hamza, Amin Abdel Marouf |
| Al-Qaeda tries to buy uranium in Sudan | Late 1993-
Early 1994 | Khartoum, Sudan | Jamal Ahmed al-Fadl, Abu Fadhl al-Makkee (Leader), Abu Dijana al Yemeni, Abu Rida al Suri, Salah Abdel al Mobruk, Al Fadl Al Shahideen, Basheer, Mamdouh Mahmud Salim, Abu Musab al Suri |
| Reported chemical weapons training at Darunta | Summer 1999 | Darunta Training Camp, Nangarhar, Afghanistan | |
 Reported attempt to obtain nuclear material at Herat | Summer 1999 | Herat, Herat, Afghanistan | |
| Hambali introduces WMD researcher to Zawahiri | Early 2001 | Kandahar, Afghanistan | Yazid Sufaat, Hambali, Ayman al-Zawahiri, Mohammed Atef (Organizer) |
| Yazid Sufaat works on anthrax for al-Qaeda | Early 2001 | Kandahar, Afghanistan | Yazid Sufaat, Mohammed Atef (Organizer), Ayman al-Zawahiri (Organizer) |
