2 Kings (Author Compiled by Isaiah and Jeremiah from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
10:24And when they went in to offer sacrifices and burnt offerings, Jehu appointed fourscore men without, and said, If any of the men whom I have brought into your hands escape, he that letteth him go, his life shall be for the life of him.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.