וַיֹּ֤אמֶר אַחְאָב֙ אֶל־אֵ֣לִיָּ֔הוּ הַֽמְצָאתַ֖נִי אֹיְבִ֑י וַיֹּ֣אמֶר מָצָ֔אתִי יַ֚עַן הִתְמַכֶּרְךָ֔ לַעֲשׂ֥וֹת הָרַ֖ע בְּעֵינֵ֥י יְהוָֽה׃
And Ahab said to Elijah: ‘Hast thou found me, O mine enemy?’ And he answered: ‘I have found thee; because thou hast given thyself over to do that which is evil in the sight of the LORD.
Read halakhic rulings (Jewish law) on I Kings 21:20: and classical halakhic sources.