Take a branding iron with a swastika on it. Then burn it on his forehead. Hang him for the world to see. Never should the world tolerate Nazis, or history will only repeat itself. Solution; fire up the woodchipper and feed him in slowly, feet first. Spread the resultant human mulch on the flower beds of a memorial to those he murdered in cold blood. He knew exactly what he was doing because if he was insane he would not have written his manifesto or organized the SuperNatural 15 years anniversary shirt live to film of his attack on social media. He should just be locked up for the rest of his life in solitary confinement What’s amazing is this man wrote a manifesto about what would happen after he did this and the media and politicians in New Zealand have pretty much followed his directions to the letter. You’re all doing exactly what he wanted you to do. Mental instability could be an explanation, but it can never and will never be an excuse. He was fully aware of what he did and must be punished as such.