Is James Ray a scam? James Arthur Ray Harmonic Wealth and The Secret. Sweat Lodge Deaths Guru

Is James Arthur Ray a scam? What does he teach? Is James Ray a fraud? How did people die in the sweat lodge? Did he go to jail/prison? The motivational speaker and Law of Attraction guru is a quantum physics guru. Is he for real? Does he still do the sweat lodge? His spiritual background is an interesting history.