Abu Zubaydah was, according to American authorities, a high-ranking member of al-Qaida and close associate of Osama bin Laden, though there are doubts of his power and connections due to the fact that most information came from interrogations where Zubaydah may have exaggerated his and al-Qaida's role in international terror. He is currently in U.S. custody in Guantanamo Bay, Cuba. Zubaydah's name is often transliterated as Abu Zubaidah, … Wikipedia
BBC News Online profiles the man believed to be the chief recruiter of the al-Qaeda network and - until now - one of its most elusive members. news.bbc.co.uk/2/hi/south_asia/1907462.stm
The man, Zayn al-Abidin Mohamed Husayn, aka Abu Zubaydah, woke as scores of FBI men, shouting and throwing stun grenades, swarmed over the low walls enclosing the house and smashed their way inside. observer.guardian.co.uk/waronterrorism/story/0,1373,68032...
Tips from al-Qaeda's COO resulted in tightened security and questions about how seriously to take his threats. For his role as the prime mover of this week's events, Zubaydah is our POW www.time.com/time/nation/article/0,8599,249910,00.html
The definitive Wikipedia entry for Abu Zubaydah. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Abu_Zubaydah