I though this was hillarious.
http://www.cnn.com/2009/SHOWBIZ/Music/06/30/jackson.rabbi/index.html
Here's the quote from Rabbi Boteach:
"Michael was a very spiritual, religious man. He was not only a Jehovah's Witness, he was a missionary. ... He used to knock on people's doors selling wash towels. Then suddenly he fell out with the church."