1 Samuel 17:55 YLT

⁵³  and the sons of Israel turn back from burning after the Philistines, and spoil their camps.

⁵⁴  And David taketh the head of the Philistine, and bringeth it in to Jerusalem, and his weapons he hath put in his own tent.

⁵⁵  And when Saul seeth David going out to meet the Philistine, he hath said unto Abner, head of the host, 'Whose son 'is' this -- the youth, Abner?' and Abner saith, 'Thy soul liveth, O king, I have not known.'

⁵⁶  And the king saith, 'Ask thou whose son this 'is' -- the young man.'

⁵⁷  And when David turneth back from smiting the Philistine, then Abner taketh him and bringeth him in before Saul, and the head of the Philistine in his hand;