| Details |
|---|
| Center of Gravity | Afghanistan |
| Area of Operation | United States, Saudi Arabia, Germany, Pakistan, Malaysia, United Arab Emirates |
| Leader | Khalid Shaikh Mohammed |
 | Core membership | 30 |
| Key members | Mohamed Atta, Ramzi Binalshibh, Mustafa Ahmed al-Hawsawi, Ali Abdulaziz Ali, Marwan al-Shehhi, Mohammed Atef |
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| Narrative and Notes |
|---|
| Reliable | It is estimated they spent between $400,000 and $500,000 to carry out the 9-11 attacks.1 |
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| Sources |
|---|
| 1The 9-11 Commission Final Report, July 22, 2004, Chapter 5.4. |
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| Key to bullets |
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| High confidence |
 Some confidence |
 Low confidence |
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| Page maintained by John Lumpkin
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| Click here for a disclaimer and detailed explanation of the confidence ratings. |
