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Shortly After September 11, 2001: Investigators Find Links between Informant Abu Qatada, Madrid Cell, and 9/11 Hijacker Cell in Hamburg

In searches conducted shortly after the 9/11 attacks, investigators discover direct links between the 9/11 hijacker cell in Hamburg and the Madrid al-Qaeda cell led by Barakat Yarkas. German police find Yarkas’s phone number in papers belong to 9/11 hijacker Mohamed Atta. His number is also found in the diary of Hamburg cell member Said Bahaji. [New York Times, 12/28/2001; Irujo, 2005, pp. 150-153] Investigators also find many videos of sermons by Abu Qatada in the apartment where Atta and other members of the Hamburg cell used to live. Qatada is already closely linked to Yarkas and his Madrid cell (see 1995-February 2001). [Guardian, 8/11/2005] Since Spanish intelligence had been monitoring Yarkas’s call since 1995 (see 1995 and After), it is unknown if they ever monitored a call between Yarkas and Atta or Bahaji. However, no such calls will be mentioned in subsequent trials in Spain. The Spanish did monitor numerous calls between Yarkas and Hamburg associates Mohammed Haydar Zammar and Mamoun Darkazanli (see August 1998-September 11, 2001). For years, the Spanish have merely been monitoring Yarkas’s cell. But after discovering these links, the decision is made to shut the cell down. Yarkas and others are arrested in November 2001 (see November 13, 2001). [Irujo, 2005, pp. 162-163] Qatada has been an informant for British intelligence since about 1997; it is unknown if he told his British handlers anything about the al-Qaeda cell in Hamburg (see June 1996-February 1997).

Entity Tags: Barakat Yarkas, Abu Qatada, Mohamed Atta, Said Bahaji

Timeline Tags: Complete 911 Timeline

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