The answer is not to punish the son for the sins of the father.
Why should my rights be reduced because you feel something must be done?
It was tragedy. But - There will always be soft targets.
Address the real problems drug use and mental health. The common tread in all of this.
The guns used were no more at fault that the cars they drove to get to the school or movie theater.
Don't bother running away ... you'll only die tired.