What were the teens doing at his house? Did they have nefarious intentions? Or was it truly a matter of simply knocking on the wrong door? Either way,firing a gun at them doesn't seem justified,but it would still be interesting to know if they were truly at the wrong door or had other intentions.
http://m.newser.com/story/210630/nj-trooper-shot-at-teens-who-knocked-on-wrong-door.html