וְאַבְשָׁל֗וֹם וְכָל־הָעָם֙ אִ֣ישׁ יִשְׂרָאֵ֔ל בָּ֖אוּ יְרוּשָׁלִָ֑ם וַאֲחִיתֹ֖פֶל אִתּֽוֹ׃
And Absalom, and all the people, the men of Israel, came to Jerusalem, and Ahithophel with him.
Read midrashic interpretation of II Samuel 16:15: and classical rabbinic exegesis.