>> i said, well, mike, we want to take csis' holdings and take them into a federal courtroom and use them to convict a bunch of terrorists. and he said, i think we can help. >> the canadian security intelligence service had been conducting surveillance on saed harb and watched him cross into canada. because the canadians had this other cell in vancouver. saed's best friend mohammed dbouk was the leader of the canadian cell. they'd grown up together. dbouk had volunteered to be a suicide bomber several times. he had produced all these combat videos of martyrdom operations. the canadians had sur...