In 1 Kings 21:19 we can find one of the most famous verses of the Bible:
" וְדִבַּרְתָּ אֵלָיו לֵאמֹר, כֹּה אָמַר יְהוָה, הֲרָצַחְתָּ, וְגַם-יָרָשְׁתָּ; וְדִבַּרְתָּ אֵלָיו לֵאמֹר, כֹּה אָמַר יְהוָה, בִּמְקוֹם אֲשֶׁר לָקְקוּ הַכְּלָבִים אֶת-דַּם נָבוֹת, יָלֹקּוּ הַכְּלָבִים אֶת-דָּמְךָ גַּם-אָתָּה."
"And thou shalt speak unto him, saying: Thus saith the LORD: Hast thou killed, and also taken possessions? and thou shalt speak unto him, saying: Thus saith the LORD: In the place where dogs licked the blood of Naboth shall dogs lick thy blood, even thine."
This verse comes after the murder of Naboth. According to the Biblical story, Naboth had a beautiful vineyard in Jezreel. Ahab, the king of Samaria, asked Naboth to give him the vineyard and in return Ahab will give him a better vineyard. Naboth refused saying "The LORD forbid it me, that I should give the inheritance of my fathers unto thee".
Ahab was very angry over this refusal and went back to his palace. Jezebel, Ahab's wife heard the story and decided to punish Naboth.
In the name of King Ahab, Jezebel addressed a letter to the Elders of Jezreel and sealed it with the royal seal. In the letter she requested that the council of the Aldermen elect Naboth as their leader. She further commanded that they should then hire two men to testify that Naboth had blasphemed both G-d and the king, for which he was to be stoned.
The Elders of Jezreel carried out the queen's wishes and informed her that Naboth was dead. When the queen heard this, she went to Ahab and cheerfully told him to take possession of Naboth's vineyard.
Then Ahab went to Naboth's vineyard to take possession of it but then he was confronted by the prophet Elijah and heard G-d's messager saying: "Have you killed and also taken possessions?" G-d decided to punish Ahab and his wife and promised them horrible death.
The sin of Ahab and Jezebel was even greater, not only they have murdered Naboth they have also taken his vineyard.
When Ahab heard these words he tore his clothes, dressed himself in sackcloth, and put ashes on his head, fasting and mourning. G-d saw his genuine repentance and told Elijah that because Ahab had returned to G-d, he would be spared the evil in his own days. But in his son's days misfortune would overtake the house of Ahab, as G-d had decreed.