2 Samuel 3:25 in the World English Bible
You know Abner the son of Ner. He came to deceive you, and to know your going out and your coming in, and to know all that you do.”
Context
24 Then Joab came to the king, and said, What hast thou done? behold, Abner came unto thee; why is it that thou hast sent him away, and he is quite gone?
25 Thou knowest Abner the son of Ner, that he came to deceive thee, and to know thy going out and thy coming in, and to know all that thou doest.
26 And when Joab was come out from David, he sent messengers after Abner, which brought him again from the well of Sirah: but David knew it not.