| Importance | High |
 | Affiliation | UK-US airline bomb plotters1 |
 | Role | Terrorist Operations Planner1 |
 | Affiliation | Al-Qaeda3 |
 | Nationality | Egyptian |
| Alternate Spelling(s) | Abu Obaidah al Masri, Abu Obaidah el Masri, Abu Ubaidah al-Masri, Abu Ubaidah al Masri, Abu Obaidah al-Misri |
| Gender | Male |
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| Narrative and Notes |
|   |
 | Possible | He was reportedly in charge of attacks on U.S. and allied forces in eastern Afghanistan. Pakistani officials have also named him the leader of the 2006 UK-based plot to bomb transatlantic airliners.1,3 |
|   |
 | Questionable | He was reported possibly killed on Jan. 13, 2006, in a missile strike, but he apparently survived, as officials said he was missed again in the Oct. 30 madrassa strike.3 |
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| Sources |
| 1 'US attack killed Al-Qaida leader's kin.' The Associated Press, Feb. 13, 2006. |
| 2 Presumed from name. |
| 3 "Official: Al-Zawahri frequented attacked school." The Associated Press: Oct. 31, 2006. |
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| Key to bullets |
High confidence |
Some confidence |
Low confidence |
No confidence |
| Page maintained by John Lumpkin
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| Click here for a disclaimer and detailed explanation of the confidence ratings. |