He studied biology at the Université de Montréal, then trained with some of the September 11 hijackers in Afghanistan, and was recruited for a "second wave" of suicide attacks.
He studied biology at the Université de Montréal. American authorities allege that he "may" have trained alongside Khalid al-Mihdhar and Nawaf al-Hazmi in Afghanistan, before being assigned to a "second wave" of suicide attacks.