1 Kings 2:42 (KJV)

And Shimei arose, and saddled his ass, and went to Gath to Achish to seek his servants: and Shimei went, and brought his servants from Gath.

And it was told Solomon that Shimei had gone from Jerusalem to Gath, and was come again.

And the king sent and called for Shimei, and said unto him, Did I not make thee to swear by the Lord, and protested unto thee, saying, Know for a certain, on the day thou goest out, and walkest abroad any whither, that thou shalt surely die? and thou saidst unto me, The word that I have heard is good.

Why then hast thou not kept the oath of the Lord, and the commandment that I have charged thee with?

The king said moreover to Shimei, Thou knowest all the wickedness which thine heart is privy to, that thou didst to David my father: therefore the Lord shall return thy wickedness upon thine own head;