الجماعة الإسلامية المسلحة
Ressam returned to Montreal in February 1999 under the name "Benni Noris", bringing $12,000 in cash he had obtained in Afghanistan to fund the attack. He also brought in hexamine (used as an explosive booster in the manufacture of explosives) and glycol, and a notebook with instructions for making explosives. While in Montreal, he shared an apartment with Karim Said Atmani, an alleged forger for the Armed Islamic Group of Algeria.