2 Samuel 3:12-13

3:12 Then Abner sent messengers to David saying, “To whom does the land belong? Make an agreement with me, and I will do whatever I can to cause all Israel to turn to you.” 3:13 So David said, “Good! I will make an agreement with you. I ask only one thing from you. You will not see my face unless you bring Saul’s daughter Michal when you come to visit me.”

2 Samuel 3:11

3:11 Ish-bosheth was unable to answer Abner with even a single word because he was afraid of him.