No, not in this case because he intentionally left it open to draw in the culprits and waited with a loaded shotgun.
That makes all the difference whether you want to believe it or not! As law abiding and pro home defense as I am, I could never abide by someone who planned and executed this premeditated act! There are lawful qualifications - premeditation is a major one!
Why were they in that location?
You admit that Dede is a “culprit” then.
No, it makes no difference.