Bible Verses About Abishai: Seeks the life of Shimei

Then said Abishai the son of Zeruiah unto the king, Why should this dead dog curse my lord the king? let me go over, I pray thee, and take off his head.

But Abishai the son of Zeruiah answered and said, Shall not Shimei be put to death for this, because he cursed the LORD'S anointed?