2 Samuel (Author Compiled by Isaiah from records of Samuel, David, Nathan, and Gad.)
4:7They came into the house, as he lay on his bed in his bedchamber, and they smote him, and slew him, and beheaded him; and they took his head, and went by the way of the plain all night.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.