2 Samuel 3:25
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.
Cross-reference
2 Samuel 3:27 records Joab's murder of Abner, fulfilling his suspicion—he kills Abner under the guise of private conversation.
2 Samuel 10:3 has Ammonites suspecting David's servants are spies, mirroring Joab's suspicion of Abner spying.
In 1 Samuel 29:4-6, Philistine commanders suspect David of betrayal — just as David suspects Abner of deception here.
In Isaiah 37:28, God knows Assyria's 'going out and coming in' — the same comprehensive surveillance David accuses Abner of attempting.
In Numbers 27:17, the same phrase 'going out and coming in' describes leadership responsibility — David uses it here to imply Abner's spying.
In Deuteronomy 28:6, the phrase 'going out and coming in' is a blessing — here David twists it into a suspicion of Abner's motives.
In 1 Samuel 29:6, Achish fully trusts David — a sharp contrast to David's immediate suspicion of Abner's loyalty here.