Leviticus 20:27
New International Version (NIV1984)
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.’”
From BibleGateway.com: http://www.biblegateway.com/passage/?search=Leviticus 20:27&version=NIV1984
NIV®