On November 1, 1998, future-hijackers Mohamed Atta, Marwan al-Shehhi, and Ramzi bin al-Shibh moved into an apartment (two bedrooms, one living room, one kitchen) together on Marienstraße. Here they formed the secretive Hamburg cell, which also included other minor participants in the 9/11 plot. They met together three or four times a week to discuss their anti-American and anti-Israeli views, and to decide how best to fight for their cause.
As late as 1999, the four core members of the group had intended to wage jihad in Chechnya, where Islamic jihadists were rebelling against Russia. The 9/11 Commission Report notes in Chapter 5 that "according to bin al-Shibh [who is now in U.S. custody], a chance meeting on a train in Germany caused the group to travel to Afghanistan instead. An individual named Khalid al Masri (or Khalid al-Masri) approached bin al-Shibh and Shehhi (because they were Arabs with beards, bin al-Shibh thinks) and struck up a conversation about jihad in Chechnya. When they later called Masri and expressed interest in going to Chechnya, he told them to contact Abu Musab in Duisburg, Germany. Abu Musab turned out to be Mohamedou Ould Slahi, a significant al-Qaeda operative who, even then, was well known to U.S. and German intelligence, though neither government apparently knew he was operating in Germany in late 1999."
Bin al-Shibh, Shehhi and Jarrah visited Slahi in Duisburg, where he convinced them that it would be best to train in Afghanistan first, because further experience would be useful, and anyway it was difficult at that time to get into Chechnya. Slahi instructed them to travel to Karachi, Pakistan, then to the Taliban office in Quetta, Pakistan, where they were to contact a man named Umar al-Masri. Atta and Jarrah left Hamburg during the last week of November 1999. Shehhi left by himself around the same time; bin al-Shibh followed two weeks later.
"Umar al-Masri" turned out to be a nonexistent person. The name was a code word that instructed members of the Taliban office to escort the men to Kandahar, Afghanistan, where they were convinced to join the al-Qaeda network and wage jihad against America. They met with Osama bin Laden himself and swore their loyalty to him. Mohamed Atta was chosen by Bin Laden as the leader of the group that would attack America; Atta would contact Bin Laden several more times before the attacks. The men then returned to Germany to enroll in flight training school, and later moved on to flight training schools in the United States at the recommendation of one of their instructors based in Germany.
The members of the Hamburg Cell were a boon to the 9/11 plot, which Khalid Shaikh Mohammed had proposed to Bin Laden in 1996. The Hamburg students were fluent in English, educated, accustomed to the Western lifestyle, radically Islamic, and capable of learning to pilot aircraft. "Bin Laden and Mohammed Atef wasted no time in assigning the Hamburg group to the most ambitious operation yet planned by al-Qaeda," the 9/11 Commission Report says.
Many al-Qaeda members lived in the Hamburg apartment at various times. In all, 29 men listed the apartment as their home address while Mohamed Atta's name was on the lease. Reportedly, Khalid Shaikh Mohammed visited the apartment repeatedly.
German intelligence monitored the apartment, but did not find any evidence against the residents. Both the United States' Central Intelligence Agency and German Intelligence have received criticism for failing to share information on these and other al-Qaida members.
Hamburg Cell film
The film Hamburg Cell is a docudrama on the planning and execution of the attacks. A co-production between Channel 4 in the UK and CBC in Canada, it was shown in the UK during September 2004, amid criticism that this was too close to the anniversary of the attack. Using computer-generated imagery, the film's producers were able to show the twin towers of the World Trade Center, before the attack, in the background. Ziad Jarrah is featured calling his girlfriend, Aysel Sengün, from a public telephone at the airport, repeating the words 'I love you' over and over.
Mohamed Atta was an Egyptian terrorist hijacker for al-Qaeda. Ideologically a pan-Islamist, he was the ringleader of the September 11 attacks and served as the hijacker-pilot of American Airlines Flight 11, which he crashed into the North Tower of the original World Trade Center as part of the coordinated suicide attacks. Aged 33, he was the oldest of the 19 hijackers who took part in the mission. Before the attacks, he worked as a construction engineer.
Nawaf Muhammad Salim al-Hazmi was a Saudi terrorist hijacker who was one of five hijackers of American Airlines Flight 77, which they crashed into the Pentagon as part of the September 11 attacks.
The aircraft hijackers in the September 11 attacks were 19 men affiliated with jihadist organization al-Qaeda. They hailed from four countries; 15 of them were citizens of Saudi Arabia, two were from the United Arab Emirates, one was from Egypt, and one from Lebanon. To carry out the attacks, the hijackers were organized into four teams each led by a pilot-trained hijacker who would commandeer the flight with three or four "muscle hijackers" who were trained to help subdue the pilots, passengers, and crew. Each team was assigned to a different flight and given a unique target to crash their respective planes into. Mohamed Atta was the assigned ringleader over all 4 groups.
Saeed Abdullah Ali Sulayman al-Ghamdi was a Saudi terrorist hijacker. He was one of four terrorist hijackers of United Airlines Flight 93 as part of the 11 September attacks. Despite his name, he was not related to the brothers Hamza al-Ghamdi or Ahmed al-Ghamdi who were part of the team that hijacked United Airlines Flight 175.
Ziad Samir Jarrah was a Lebanese terrorist hijacker. He was one of the four hijackers of United Airlines Flight 93, which was crashed into a field in a rural area near Shanksville, Pennsylvania, following a passenger revolt, as part of the September 11 attacks.
Marwan Yousef Mohamed Rashid Lekrab al-Shehhi was an Emirati terrorist hijacker from al-Qaeda who served as the hijacker-pilot of United Airlines Flight 175, crashing the Boeing 767 into the South Tower of the World Trade Center as part of the September 11 attacks. He was one of five hijackers aboard the aircraft and one of two Emiratis to take part in the attacks, the other being Fayez Banihammad, who helped him hijack the same plane.
Ramzi Mohammed Abdullah bin al-Shibh is a Yemeni terrorist who served as al-Qaeda's communications officer. He has been detained by the United States in the Guantanamo Bay detention camp (NSGB) since 2002. He is accused of being a "key facilitator" for the September 11 attacks in 2001.
Said Bahaji, was a citizen of Germany, electrical engineer, and an alleged member of the Hamburg cell that provided money and material support to the perpetrators of the September 11 attacks.
Mounir el-Motassadeq was convicted by a German court of being a member of al-Qaeda and of assisting some of the hijackers in the September 11 attacks. He was initially convicted of involvement in the attack, but his sentence was set aside on appeal, then reinstated on further appeal. On 8 January 2007, he was sentenced to serve 15 years by the court of Hanseatisches Oberlandesgericht, Hamburg, because of 246 counts of accessory to murder in coincidence with membership in a terrorist organisation. On 15 October 2018, el-Motassadeq was deported to Morocco after serving his sentence.
Mohammed Haydar Zammar is a Syrian-German militant who served as an important al-Qaida recruiter, and is currently a member of the Islamic State. He claims to have recruited many of the organizers of the September 11, 2001, attacks. He was detained in Far'Falastin.
Khalid al-Masri is the name of a person alleged to have approached two 9/11 hijackers on a train in Germany and suggested that they contact an alleged al Qaeda operative in Duisburg.
Zakariya Essabar was a Moroccan college student of al-Qaeda and an associate of the organizers of the September 11 attacks.
Ammar al-Balushi or Amar Baloch; born Ali Abdul Aziz Ali on 29 August 1977) is a Pakistani (Balochi) citizen who has been in American custody at the Guantanamo Bay detention camp since 2006. He was arrested in the Pakistani city of Karachi in 2003 before being transferred; the series of criminal charges against him include: "facilitating the 9/11 attackers, acting as a courier for Osama bin Laden and plotting to crash a plane packed with explosives into the U.S. consulate in Karachi." He is a nephew of the Pakistani terrorist Khalid Sheikh Mohammed, who served as a senior official of al-Qaeda between the late 1980s and early 2000s; and a cousin of the Pakistani terrorist Ramzi Ahmed Yousef, who played a key role in the 1993 World Trade Center bombing, the Philippine Airlines Flight 434 bombing, and the high-profile Bojinka plot.
Abdelghani Mzoudi, also transliterated as Abdul Ghani Mzoudi, is an alleged member of al-Qaeda and an associate of Mohamed Atta, the ringleader of the September 11 attacks who also served as the hijacker-pilot of American Airlines Flight 11.
On September 11, 2001, 19 al-Qaeda terrorists took control of four commercial aircraft and used them as suicide weapons in a series of four coordinated acts of terrorism to strike the World Trade Center in New York City, The Pentagon in Arlington County, Virginia, and an additional target in Washington, D.C. Two aircraft hit the World Trade Center while the third hit the Pentagon. A fourth plane did not arrive at its target, but crashed into a field in Pennsylvania after a passenger revolt. The intended target is believed to have been the United States Capitol. As a result, 2,977 victims were killed, making it the deadliest foreign attack on U.S. soil, exceeding Japan's surprise attack on Pearl Harbor in Honolulu, Hawaii, on December 7, 1941, which killed 2,335 members of the United States Armed Forces and 68 civilians. The effort was carefully planned by al-Qaeda, which sent 19 terrorists to take over Boeing 757 and Boeing 767 aircraft, operated by American Airlines and United Airlines.
The Bin Laden Issue Station, also known as Alec Station, was a standalone unit of the Central Intelligence Agency in operation from 1996 to 2005 dedicated to tracking Osama bin Laden and his associates, both before and after the 9/11 attacks. It was headed initially by CIA analyst Michael Scheuer and later by Richard Blee and others.
The Al-Quds Mosque was a Sunni Islam mosque, located in Hamburg, Germany. The mosque was opened in 1993 and operated until 2010 when it was shut down by German security officials. The mosque was known for preaching a radical form of Sunni Islam. The al-Quds Mosque was attended by some of the September 11 attackers including Mohamed Atta, Marwan al-Shehhi, Ramzi bin al-Shibh, and Ziad Jarrah who formed the Hamburg cell.
At around 9:30pm on September 11, 2001, George Tenet, director of the Central Intelligence Agency (CIA), told President George W. Bush and U.S. senior officials that the CIA's Counterterrorism Center had determined that Osama bin Laden and al-Qaeda were responsible for the September 11 attacks. Two weeks after the terrorist attacks on September 11, 2001, the Federal Bureau of Investigation connected the hijackers to al-Qaeda, a militant Salafist Islamist multi-national organization. In a number of video, audio, interview and printed statements, senior members of al-Qaeda have also asserted responsibility for organizing the September 11 attacks.
Mohammed Atef was an Egyptian militant and prominent military chief of al-Qaeda, and a deputy of Osama bin Laden, although Atef's role in the organization was not well known by intelligence agencies for years. He was killed in a US airstrike in November 2001.
The Hamburg Cell is a 2004 British-Canadian television docudrama film produced by Channel 4 and Canadian Broadcasting Corporation, and directed by Antonia Bird. It follows the creation of the Hamburg cell, an Islamist extremist group that included the terrorists who piloted the airplanes hijacked during the September 11 attacks. Although the terrorist cell was led by Mohamed Atta, the film is focused on the character of Ziad Jarrah, the one hijacker who had doubts about the attacks.
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