As I was saying, ma'am, there are three elements of immigration security, as I see it. There are elements of security that could be implemented on the border, which I think is where most of Canada's attention has been focused, or they can be implemented abroad, with pre-screening measures, as well as within the interior—illegals and others who have entered the country through illicit methods.
Frankly, the biggest threat to Canada, the way I see it, is Islamic extremism and terrorism, and most of those networks are very difficult to capture coming across the border. It's much easier to infiltrate or neutralize those networks abroad while they're working in different cells in different countries of allied nations, or even within the country, if you know that there are cells operating within.
One thing I would suggest as a practical policy measure is just to redirect resources to apply a little more emphasis abroad and also within the interior of Canada, and not so much focus on the border, which is what I've essentially been hearing for many of the initiatives that have been proposed for Canada's immigration security.