Then he said, I have sinned: yet honor me now, Please, before the elders of my people, and before Israel, and turn again with me, that I may worship Yahweh your God.
For the Lord said, I remember the Amaleks that when you were trying to come into the land, they withstood you. And therefore God wants you to go down and utterly wipe out the Amaleks; every man, woman, child, animal. [Don't take anything back alive, utterly slay everything] ( 1 Samuel 15:2-3 ).