Hamza al-Zubayr

A suspected al-Qaeda operative named Ahmed Ghulam Rabbani is arrested in a safe house in Karachi, Pakistan, on September 10, 2002. He is a Saudi who later became a Pakistani citizen. Starting in 2000, he began running an al-Qaeda safe house in Karachi. He will be held in Pakistani custody until he is transferred to a US prison in Afghanistan in May 2004. He will be sent to the US-run Guantanamo prison in Cuba in September 2004. His driver, Muhammad Madni, is arrested too, and Madni reportedly quickly reveals the location of other safe houses in Karachi. [US Department of Defense, 5/26/2008]
Abdul Rahim Ghulam Rabbani, Ahmed Ghulam Rabbani’s brother, is arrested at one of the safe houses this same day. According to Abdul Rahim’s 2008 Guantanamo file, he is an important al-Qaeda figure because he began running up to six Karachi safe houses, on behalf of 9/11 mastermind Khalid Shaikh Mohammed (KSM), from early 2000 until his capture. According to his file, many important al-Qaeda leaders stayed at his safe houses and interacted with him or his brother while they were passing through Karachi, including: Saif al-Adel, Abd al-Rahim al-Nashiri, Khallad bin Attash, Saad bin Laden, KSM, Ali Abdul Aziz Ali, Musaad Aruchi, and Hassan Ghul (who is said to be his brother-in-law). Furthermore, 17 of the 19 9/11 hijackers stayed at his safe houses while coming or going through Pakistan, including Mohamed Atta, Marwan Alshehhi, Hani Hanjour, and Ahmed Alghamdi (the others are not mentioned in his Guantanamo file by name). Abdul Rahim does not admit knowing their mission, but says he picked them up at airports, kept them at safe houses, and transported some of them to their next destinations. He apparently is working on a plot to bomb Karachi hotels used by Westerners, but it is scuttled by the arrests. He is held by Pakistan for two months, then he will be handed to US forces and held in various prisons in Afghanistan until September 2004, when he is transferred to Guantanamo. [US Department of Defense, 6/9/2008]
The next day, these other safe houses are raided by the ISI (Pakistan’s intelligence agency). 9/11 hijacker associate Ramzi bin al-Shibh is arrested at one of the safe houses (see September 11, 2002). However, in contrast to the claim that the arrest of Ahmed Ghulam Rabbani led to the arrest of bin al-Shibh and others, there is a claim that an Al Jazeera reporter, Yosri Fouda, interviewed bin al-Shibh and KSM in a Karachi safe house in the middle of 2002 (see April, June, or August 2002), then told the emir of Qatar, Sheikh Hamad bin Khalifa al-Thani, where the interview took place, and the emir told the CIA. The CIA then began intensely monitoring Karachi for safe houses, which finally led to these raids (see June 14, 2002 and Shortly After).
Hassan Ali bin Attash, brother of al-Qaeda leader Khallad bin Attash, is arrested at the same safe house as bin al-Shibh. Hassan will later be named by many other Guantanamo prisoners as an al-Qaeda operative, but not nearly as important a one as his brother. He will later say that he was held by the Pakistani government for a few days, then taken to Kabul, Afghanistan, by US forces for a few days, and then sent to Jordan and kept in Jordanian custody for over a year. He will be transferred to Guantanamo in January 2004, and where he subsequently remains. [US Department of Defense, 6/25/2008]
One other suspected al-Qaeda operative is arrested at the safe house with bin al-Shibh and bin Attash (located on Tariq Road). The three of them allegedly hold knives to their throats and threaten to kill themselves rather than be captured. But they are overwhelmed after a four-hour stand-off. [US Department of Defense, 12/8/2006]
At another safe house, there is a gun battle when it is raided. Two suspected al-Qaeda operatives are killed. One of those killed, Hamza al-Zubayr, is considered an al-Qaeda leader and the leader of the group in the house. The remaining six are arrested. All six will later be transferred to Guantanamo. [US Department of Defense, 6/25/2008] All of the above is based on Guantanamo files leaked to the public in 2011 by the non-profit whistleblower group WikiLeaks. There are many doubts about the reliability of the information in the files (see April 24, 2011).