Politicians call for gun control. People kill people. Then, they can sleep at night. It gets worse. I suspect this is what happened in Arkansas, where the boys took the guns from the home.
Boys are taught at an early age, that guns are wonderful.
Their elders teach them how to shoot. They boast of what they shot when they went hunting. The bigger the gun, the tougher and more manly its owner. Bad sitcoms frequently feature a father who scares a teenage daughter's prospective dates with threats of the guns he has in his possession. A character got too involved with wearing a big cowboy hat and playing with the gun that went along with it.