A German inquiry into Mounir El Motassadeq, a member of the Hamburg al-Qaeda cell, begins by this date. Although Germany will not reveal details, documents show that by August 1998, El Motassadeq is under surveillance. “The trail soon [leads] to most of the main [Hamburg] participants” in 9/11. Surveillance records El Motassadeq and Mohammed Haydar Zammar, who had already been identified by police as a suspected extremist, as they meet at the Hamburg home of Said Bahaji on August 29, 1998. Files show that investigators are aware of who Bahaji is by this time.(Bahaji will soon move into an apartment with 9/11 hijacker Mohamed Atta and other al-Qaeda members (see November 1, 1998-February 2001.) German police monitor several other meetings between El Motassadeq and Zammar in the following months. [New York Times, 1/18/2003] El Motassadeq will later be sentenced to 15 years in prison for membership in al-Qaeda (see August 19, 2005).