a public telephone at the airport, repeating the words 'I love you' over and over. See also Planning of the September 11 attacks External links Chapter of the 9/11 Commission Report detailing the history of the Hamburg Cell Hawala. An Informal Payment System and Its Use to Finance Terrorism by Sebastian R. Müller (Dec. 2006)] 1998 establishments in Germany 2001 disestablishments in Germany Organisations based in Hamburg Organizations established in 1998 Organizations disestablished in 2001 Groups affiliated with al-Qaeda 1990s in Hamburg 2000s in Hamburg Islamic terrorism in Germany Mohamed Atta Sunni Islamists