The Lord tells us not to repay, but to leave it to Him.The problem with that line of reasoning is that our elected officials have shown little inclination to hold lawbreakers accountable.
Thus, the persons responsible for the mayhem will continue at large to wreck havoc on innocent bystanders.
Eventually, vigilante justice will slid in to fill the vacuum.
I was just speculating factiously, but His actions would not be dependent upon any system of justice humans create and would seem random to us. It is disgusting. that the “justice system” would attack the vigilante with a violence never displayed towards this sort of murderer.