2 Samuel 3:12

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.”

2 Samuel 5:6

David Occupies Jerusalem

5:6 Then the king and his men advanced to Jerusalem against the Jebusites who lived in the land. The Jebusites said to David, “You cannot invade this place! Even the blind and the lame will turn you back, saying, ‘David cannot invade this place!’”