Adam Lanza’s mom, who was a gun enthusiast who owned at least a dozen firearms, use to take Adam, of Sandy Hook infamy, to the shooting range
A child could grow up having severe psychological problems. Guns and psychological difficulties are a terrible combination. Every parent wants their child to become a well balanced young adult but that does not always occur
In 80% of school shootings, perpetrators got their weapons from family members. Parents not having guns in the house could reduce mass killings by sons. Plus their small children would not shoot themselves and other small children.