Warren Steed Jeffs (born December 3, 1955) is an American religious-cult leader and felon, convicted of several sex crimes and two assisted sex crimes involving children. He is the leader of the Fundamentalist Church of Jesus Christ of Latter-Day Saints, a polygamous cult (not to be confused with the Church of Jesus Christ of Latter-day Saints). In 2011, he was convicted of two felony counts of child sexual assault, for which he is serving a life sentence. Wikipedia