I guess the point here—and I appreciate the question—is how decisions are made. It's a very difficult decision, because what you're trying to do is look at behaviour, at activity, and then try to make an assessment beyond that.
What Transport Canada has is an advisory group that consists exactly of members of those organizations—namely, the RCMP and CSIS—with the expertise in criminal matters and national security matters to help advise us. Transport Canada, though, also has expertise. We know about aircraft. We know how they're built. We know how thick the skins of aircraft are. We know something about aircraft and how they operate. We add that because the total decision relates to the individual, relates to their behaviour, relates to intent, and relates to existing security measures and transportation security, and the physical existence of the aircraft. You're bringing together several types of expertise to make this important decision that could have important consequences for a very small number of individuals.