The on the worlds worst dad

I was happy we are finally starting out some responsibility on the parents of these school shooters who for so long have avoided any culpability. I can't come up with a sane reason why a dad would gift a 13 year old at the time an AR47. When you add in the kid had already been visited at home by law enforcement in connection to none posts about school shooting, this just seems nuts. Let the dad get hanged in a public square