Ervil Morrell LeBaron (February 22, 1925 - August 16, 1981) was the leader of a polygamous Mormon fundamentalist group who ordered the killings of many of his opponents. He is considered by many to have been a serial killer, justifying his actions with the doctrine of blood atonement. He had 13 wives in a plural marriage, several of whom he married while they were still underage. Wikipedia
The definitive Wikipedia entry for Ervil Lebaron. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Ervil_LeBaron