I have a question to ask you

I heard a phone call between a a boy, a cowardly, boy who slaughtered 10 unarmed people babies children women and men .

This ( I have no words for what he is because it can not be human) monster was so proud of himself that he was bragging. Now being apart of wars and seeing aftermaths of war I understand warriors and casualties that is war.
This I don’t understand why someone and their family would be...