Shooting when they are coming on to you is one thing, but when one is running away is a no-no. That’s OK for police, but not for a citizen.
TV report made it sound like the homeowner fired when they came at him, then the one who did not die turned and ran. But he fell going down the steps.
It did not say the resident shot at anyone while fleeing. He shot them and then the survivor attempted to flee but was apparently too messed up to do it well.