tourism board of canada. it s actually a video from isis posted on social media, aimed at convincing wannabe jihadis to join isis in syria. i m your brother in islam here in syria. i original come from canada. reporter: this canadian convert was the ultimate pitchman for isis until he was killed fighting for them. but even that won t be stop would-be extremists from searching out isis online, connecting in member-only chat rooms. but is it that easy to just contact isis online? when these wannabe jihadis say they re e-mailing isis, are they really e-mailing isis? they re e-mailing a coordinator or a liaison of isis. reporter: michael weiss says there are thousands of online forums where jihad is the draw, available in all sorts of languages, including english. why aren t they being shut down? some of them are hard to