2 Samuel 3:25
you knowest Abner the son of Ner, that he came to deceive you, and to know your going out and your coming in, and to know all that you doest.
ā The Restored Word Bible
Context
23 When Joab and all the host that with him were come, they told Joab, saying, Abner the son of Ner came to the king, and he has sent him away, and he is gone in peace.
24 Then Joab came to the king, and said, What hast you done? behold, Abner came unto you; why it you hast sent him away, and he is quite gone?
25 you knowest Abner the son of Ner, that he came to deceive you, and to know your going out and your coming in, and to know all that you 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 not.
27 And when Abner was returned to Hebron, Joab took him aside in the gate to speak with him quietly, and smote him there under the fifth , that he died, for the blood of Asahel his brother.