`` Sweatbox '' retreat claims third victim , a Minnesota woman . The second victim, who was not identified by police, is believed to have been killed in the same manner as her first victim. `` Spiritual Warrior '' program was led by self-help guru James Arthur Ray . Police are conducting a homicide investigation into `` sweatbox '' deaths .
`` Sweatbox '' retreat claims third victim , a Minnesota woman . Retreat participants fell ill after spending hours in hot , dome-like structure . `` Spiritual Warrior '' program was led by self-help guru James Arthur Ray . Police are conducting a homicide investigation into `` sweatbox '' deaths .