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Oct. 21: 'Deadly Retreat'

In October 2009, James Arthur Ray, a renowned self-help author and speaker, held a "Spiritual Warrior" retreat in Sedona, AZ. Three people died during the retreat, and Ray was charged with manslaughter but convicted of a lesser charge. Chris Hansen reports Deadly Retreat this Friday, October 21st, at 9pm/8c.

Dateline NBC's Chris Hansen reports from an Arizona desert where the infamous 'sweat lodge deaths' took place in 2009.  The full Dateline report 'Deadly Retreat' airs Friday, October 21, at 9pm/8c.