27 “ ‘A man or woman who is a medium or spiritist among you must be put to death. You are to stone them; their blood will be on their own heads.’ ”

Read Leviticus 20:27 Using Other Translations

A man also or woman that hath a familiar spirit, or that is a wizard, shall surely be put to death: they shall stone them with stones: their blood shall be upon them.
"A man or a woman who is a medium or a necromancer shall surely be put to death. They shall be stoned with stones; their blood shall be upon them."
“Men and women among you who act as mediums or who consult the spirits of the dead must be put to death by stoning. They are guilty of a capital offense.”