It began Oct. 4, 2009, at the Angel Valley Retreat Center west of Sedona and included a number of exercises that the participants did in sequence at Ray's direction. The participants did what they were told, according to court documents, and at times were forced to observe total silence.

Using holotropic breath work, participants hyperventilated into a trancelike state. In a so-called vision quest, they spent 36 hours alone in the wild without food or water and without leaving a 6-foot circle drawn in the dirt. Finally, they entered the sweat lodge, similar to those used in Native American purification ceremonies, made of blankets and tarps with a center pit filled with heated rocks. The last two events were done just hours apart.

Ray's lawyer says Ray reminded people to hydrate and told them about the heat they would encounter. They also signed releases acknowledging there would be high temperatures in enclosed spaces. A recent motion filed by the prosecution claims:

A motion filed by County Attorney Sheila Polk describes how prosecutors say the sweat-lodge incident unfolded: Participants learned of the exercise only 30 minutes before it started. Ray told the participants that the heat would be so intense they