And that has significant implications for the unfolding of all this.

It would be like a shooting outside Macy's. It was so public, most of the victims were bystanders and that of course makes people much more fearful than with other forms of crime. It's not to minimize the importance, but it's not that common.

In general we have to be very attentive to the fact that hunting rifles and shotguns in the wrong hands are as lethal or more lethal than the handguns that seem to be attracting all of the attention lately.

I'm just so exhausted that it's hard to be jubilant.

Our biggest fear is because of the power of the gun lobby in Canada, we are going to see gun control dismantled.

Understanding this has a lot of implications for treatment. They are being treated by current guidelines but still aren't better. Either the guidelines are wrong or it's the wrong therapy for those patients. That's why we're doing this research, to find answers.