Before issuing the certificate , evidence was submitted that he had trained in an anti-Soviet Jihadist camp in Afghanistan . The court was also not satisfied with his reasons for visiting Pakistan for six months in 1990 . Evidence that he practiced Karate was also among the submissions . Canadian Security Intelligence Service ( CSIS ) testimonies included opinions that he would also " have been trained in such areas as : operating rocket-propelled grenade-launchers , sabotage , urban and assassination . " CSIS also alleged that " i t was noteworthy that one of those who participated in the hijacking of the September 11 attacks in 2001 had taken martial arts training in preparation ... " and suggested that Charkaoui represented a sleeper agent . This led to the issuance of the security certificate by the two responsible government ministers after which he was detained , and such evidence was also enough to uphold the certificate by Federal Court upon review
September 11 attacks
September 11 attacks
Adil Charkaoui