From the beginning there has always been evil in this world and always will be.To recognize and avoid it is the key.When that's not possible,everyone should be able to defend and protect themselves,family,and innocents.Criminals,mass shooters and other malcontents will always find a weapon,gun,knife,baseball bat,or a bomb. The Founding Fathers of this country understood this.Hence we have the 2nd Amendment,leave it alone.Freedom is not free,as they well knew.