2 Samuel 3:23

3:23 When Joab and all the army that was with him arrived, Joab was told: “Abner the son of Ner came to the king; he sent him away, and he left in peace!”

2 Samuel 3:25

3:25 You know Abner the son of Ner! Surely he came here to spy on you and to determine when you leave and when you return and to discover everything that you are doing!”