The safest places in the world are protected with armed guards.
What? do you have more information on this?
The majority of mass shootings happen in "gun free" zones.
Only if you don't count police or security that open-carry. https://www.politifact.com/factchecks/2017/feb/21/richard-corcoran/do-most-mass-shootings-happen-gun-free-zones/
If you want to stop the crimes, you put people in place to prevent the crimes from happening.
The left doesn't care about stopping crime, they just want to disarm you.
The right is emotional and wants to manipulate you with flawed conclusions based on their feelings.