Described as South African or German, a convert to Islam, only 20 at the time of the attacks. Had spent years close to the Hamburg cell, 1997 to 1999. Testfied at the trial of Mounir el-Motassadeq.
"Atta, Binalshibh and Marwan (al-Shehhi) were always talking about jihad ... and so was el Motassadeq."
Was given witness protection.