וַיָּבֹא֙ הַמַּגִּ֔יד אֶל־דָּוִ֖ד לֵאמֹ֑ר הָיָ֛ה לֶב־אִ֥ישׁ יִשְׂרָאֵ֖ל אַחֲרֵ֥י אַבְשָׁלֽוֹם׃
And there came a messenger to David, saying: ‘The hearts of the men of Israel are after Absalom.’
Read midrashic interpretation of II Samuel 15:13: and classical rabbinic exegesis.