It's a fairly loaded question; terrorists don't necessarily arrive en masse. They sometimes come one at a time, so the question is a bit disingenuous in terms of focusing on mass arrivals.
Mass arrivals do put the spotlight on processing times and the amount of scrutiny those cases get. So in terms of the publicity they attract, they're certainly more significant than solitary arrivals, but I don't think the security issues differ with the mode of arrival.
But having said that, I don't think the Canadian public.... I personally don't have an issue so much with the measures that are taken to scrutinize arrivals and mass arrivals. I think that if there is an issue, it is how people are treated during their detention and during their waiting periods, in regard to how detention is decided, what safeguards are in place in terms of reviewing the necessity for a detention, and the length of detention. I think those are issues. I personally—