An early morning slaughter in north St. Louis was a suicide and double murder, police say.Kenneth Murray, 44, killed his mother, 60-year-old Eunice Cain, and his stepfather, 59-year-old Reginald Wilkes, before shooting himself in the Walnut Park West neighborhood, police say. The area is near Calvary Cemetery in the northwest part of the city.
Officers went to the victims' home in the 5500 block of Era Avenue at 3:50 a.m. and discovered all three dead inside.…