BROOKFIELD, Wis. (AP) – The Waukesha County medical examiner has confirmed the three women killed at a suburban spa died of gunshot wounds.        Autopsies show 42-year-old Zina Haughton died from multiple gunshot wounds. Thirty-eight-year-old Maelyn Lind died from gunshot wounds to the head and chest and 35-year-old Cary Robuck was killed by a gunshot wound to her neck.  The gunman, 45-year-old Radcliffe Haughton, died from a self-inflicted gunshot wound to the head at the Azana Salon & Spa in Brookfield Sunday.  Officials have ruled the manner of death for all three women is homicide.