What these two incidents prove is that crazy people who want to kill will do so with or without a gun and with or without permission from the state to have said gun. However, only one of these incidents was brought to an end with lives saved—and that was solely due to the fact that Americans refuse to give up their right to own and carry guns.

Source: As Disarmed Canadians Rocked by Bombing, Armed American Citizen Stops Mass Shooting

People hell-bent on killing will find a way.

As Disarmed Canadians Rocked by Bombing, Armed American Citizen Stops Mass Shooting