וַיֶּ֣תַע מְנַשֶּׁ֔ה אֶת־יְהוּדָ֖ה וְיֹשְׁבֵ֣י יְרוּשָׁלִָ֑ם לַעֲשׂ֣וֹת רָ֔ע מִן־הַ֨גּוֹיִ֔ם אֲשֶׁר֙ הִשְׁמִ֣יד יְהוָ֔ה מִפְּנֵ֖י בְּנֵ֥י יִשְׂרָאֵֽל׃ (פ)
And Manasseh made Judah and the inhabitants of Jerusalem to err, so that they did evil more than did the nations, whom the LORD destroyed before the children of Israel.
Read midrashic interpretation of II Chronicles 33:9: and classical rabbinic exegesis.