My father had this creed he had us learn. 'Today I will be master of my emotions. If I feel depressed, I will sing. If I feel sad, I will laugh. If I feel fear, I will plunge ahead. I will be master of my emotions.'
15 shots from a shotgun... those poor people were blown to bits. Point blank to the face, back of the head. That is capital 'A' anger. There's only one thing that can generate that level of anger. Family.