2 Samuel 2:12

2:12 Then Abner son of Ner and the servants of Ish-bosheth son of Saul went out from Mahanaim to Gibeon.

2 Samuel 3:28

3:28 When David later heard about this, he said, “I and my kingdom are forever innocent before the Lord of the shed blood of Abner son of Ner!

2 Samuel 3:37

3:37 All the people and all Israel realized on that day that the killing of Abner son of Ner was not done at the king’s instigation. 1 

1 tn Heb “from the king.”