Let me preface this by saying one thing. One thing I've seen that seems to work—correct me if I'm wrong, but I might have heard that this might be part of the Beyond the Border initiative—is doing joint threat and vulnerability assessments. That, I think, has worked in the past among inter-agency task forces, being allowed to go into different theatres of operation—I'm speaking of the military—and doing joint threat and vulnerability assessments. That tended to be very practical and very effective in trying to understand the actual nature of the threat.
On what an existing threat or vulnerability to Canada's immigration system is, I essentially think it's what some professions have termed as domain awareness. It’s having the intelligence infrastructure abroad to essentially go out and do sourcing operations, to go out and find individuals and institutions and entities that can present a potential threat to Canada's national security. Finding these individuals, locating and identifying them, and then sharing the information with other intelligence organizations within the host countries is critical, to me, before we start to talk about enhancing elements on the border or within the perimeter of Canada.
A lot of these groups, whether Islamic terrorist groups or transnational criminal groups, work in very tight networks. In these networks they have a lot of access, whether through the border, air, land, sea, or through companies. I think having that intelligence capability abroad to go out and source these individuals, case them, and provide information to internal law enforcement is probably your biggest vulnerability as of the present day.