2 Samuel 10:3
10:3 the Ammonite officials said to their lord Hanun, “Do you really think David is trying to honor your father by sending these messengers to express his sympathy?
No, David has sent his servants to you to get information about the city and spy on it so they can overthrow it!”
2 Samuel 11:6
11:6 So David sent a message to Joab that said, “Send me Uriah the Hittite.” So Joab sent Uriah to David.
2 Samuel 19:11
19:11 Then King David sent a message to Zadok and Abiathar the priests saying, “Tell the elders of Judah, ‘Why should you delay any further in bringing the king back to his palace, when everything Israel is saying has come to the king’s attention.