1 Samuel 6:19

6:19 But the Lord struck down some of the people of Beth Shemesh because they had looked into the ark of the Lord; he struck down 50,070 of the men. The people grieved because the Lord had struck the people with a hard blow.

1 Samuel 15:15

15:15 Saul said, “They were brought from the Amalekites; the army spared the best of the flocks and cattle to sacrifice to the Lord our God. But everything else we slaughtered.”

1 Samuel 15:20

15:20 Then Saul said to Samuel, “But I have obeyed the Lord! I went on the campaign the Lord sent me on. I brought back King Agag of the Amalekites after exterminating the Amalekites.