True, I hope the homeowner can sleep at night, because "taking a life" cannot be easy. Although, he didn't take a life - he SAVED lives - his own and his family's. As for her POS son "doing whatever he was doing" being gone - good riddance.
Her son was 100% responsible for the "taking of life" during the commission of a felony. Her attitude of not taking responsibility is exactly how he was raised, and why this tragic circumstance transpired.