Deuteronomy 21:22-23 - Display Of Executed People
22 "If a man is guilty of a capital offense, is executed, and then is impaled on a tree, 23 his body must not remain overnight on the tree. You must bury him that same day, because cursed of God is the one who has been hanged on a tree. Don't defile your land that the LORD is about to give you as your inheritance."