 According to the United States Department of the Treasury, Moumou traveled to Afghanistan in the mid-1990s to participate in the al-Qaeda-run Khalden training camp.According to "TelQuel", Moumou was recruited in 1996 by Ibn al-Shaykh al-Libi to serve as a "sleeper agent" in Stockholm.Moumou reportedly served, at some time in the past, as "Abu Musab al-Zarqawi's representative in Europe for issues related to chemical and biological weapons".