New Age guru Ray leaves Prior Lake prison early . He was convicted of negligent homicide in sweat lodge deaths in 20 months . James Arthur Ray ordered more hot rocks even after people collapsed . Families of 55 victims seek standards for self help industry .
New Age guru James Arthur Ray leaves Arizona prison early . He was convicted of negligent homicide in sweat lodge deaths in 2009 . Ray ordered more hot rocks even after people collapsed . Families of three victims seek standards for self help industry .