I would have used a bat, stick or boot, then followed up with the firearm.
Yeah, I fantasize at times about the baseball bat approach.
On one hand the moron who shot them deserves a murder verdict. OTOH, I don’t really give a tinker’s damn about the victims either. You make it your goal to go around and piss off as many people as you can, you deserve what ensues. Too bad, so sad, just a little impromptu cleansing of the gene pool.
You have a right to make stupid decisions. You also have the right to suffer the consequences of those stupid decisions.