19 die , 2 injured in sweat lodge at Wisconsin retreat . Self-help author Ray sponsored the program . An investigation into the deaths of two people who spent up to two hours inside a `` sweat lodge '' at an Arizona retreat last week has been elevated from an accidental death investigation to a homicide inquiry , Yavapai County Sheriff Steve Waugh told reporters Thursday . `` We believe there are indications that it was not accidental , '' police say . James Arthur Ray says he 's hired private investigators to determine what happened .
19 die , 2 injured in sweat lodge at Wisconsin retreat . Self-help author Ray sponsored the program . `` We believe there are indications that it was not accidental , '' police say . James Arthur Ray says he 's hired private investigators to determine what happened .