1 Samuel 26:13-15

13 David crossed over to the other side of the valley. He stood on top of the mountain across the valley from Saul’s camp. David and Saul’s camp were far apart.

14 David shouted to the army and to Abner son of Ner, “Answer me, Abner!” Abner answered, “Who are you? Why are you calling the king?”

15 David said, “You are an important man, aren’t you? You are better than any other man in Israel. Is that right? So why didn’t you guard your master, the king? An ordinary man came into your camp to kill your master, the king.