The title for the proposed book was, "You never hear it coming." That happy episode? Sometimes you hear the bullet.
Parents. You're never going to hear the bullet that kills your child. They play with your loaded guns when you're not around. Maybe you'll hear a dull thud like sound. But, the bullet will tear through that little body faster than the speed of sound. They won't hear the bullet but they will feel the burning gasses, the hellish bullet tearing flesh, and the thunder clap shock wave forming a cavitation chamber.
Cavitation chamber. The bullet causes the body's liquids to form gasses as it crushes through flesh. The cavity closes at least part way after the shot. Never all the way. The forensic pathologist knows. As soon as the file opens.
GSW, Through and Through path, front to back, 12 year old child, male, DOA ...
Over 1300 times a year. Once is too often. Even if it's not your child.

Remember, there are two rules in the Gun Control Debate.
Rule Number One, 1300 children die per year from gunshot wounds.
Rule Number Two, Doctors can't change Rule Number One.