I harp on Serious Mistakes because I get sick of reading about this kind of incident. Needless and completely preventable tragedy. In this case, an ounce of prevention would have been better than a lifetime of no cure.
The Serious Mistakes research I’ve done over the past two years has completely changed me in terms of how I prioritize things. Bad things happen too often, frequently because carelessness and incompetence.
If you own guns, you need a plan to secure them when children are around. Even if you don’t have kids, people bring theirs over to your home, especially your grandchildren.
Like many aspects of firearms, this needs to be thought of ahead of time. If you’re not willing to spend a little bit of time, money, and effort to keep firearms out of unauthorized hands, then get rid of your guns.