1 Samuel 15:3

15:3 So go now and strike down the Amalekites. Destroy everything that they have. Don’t spare them. Put them to death – man, woman, child, infant, ox, sheep, camel, and donkey alike.’”

1 Samuel 15:8

15:8 He captured King Agag of the Amalekites alive, but he executed all Agag’s people with the sword.

1 Samuel 15:18-19

15:18 The Lord sent you on a campaign saying, ‘Go and exterminate those sinful Amalekites! Fight against them until you have destroyed them.’ 15:19 Why haven’t you obeyed the Lord? Instead you have greedily rushed upon the plunder! You have done what is wrong in the Lord’s estimation.”