* If you hadn't a gun, a police officer would not have existential fears whenever he stops a car, searches a house, arrests someone. Therefore, he would not need to use his gun in a way, where he is ready to kill you.
* Schoolshootings period.
And now stand-your-ground law:
* Trayvon Martin
* Markeis McGlockton
* Botham Jean
* Is your property worth more than the greatest present of God - Life?
Maybe if your country were better armed, it wouldn't be conquered every fifty years or so.