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I’m not for banning guns but I am for people having to pass a mental exam and have up to a 7 day wait period. The problem is the number of guns on the streets that can be bought way to easy. Finding all of those guns would be impossible. I also believe that if someone wants to hurt you they will find a way.Sure, but we have studied it.
There's one solution and that is to prevent them from getting their hands on guns that can allow a mass killing with ease.
Make them make a bomb. Make them try to kill a classroom full of kids with a freaking sword. Try taking out a bunch of cops with an old revolver.
There is no need to study any of it or the type when it's so simple to enact reasonable regulation that violates nobody's rights other than those who should not have freaking guns.