The 1991 Austin yogurt shop murders are an unsolved quadruple homicide which took place at an I Can't Believe It's Yogurt! shop in Austin, Texas, United States on Friday, December 6, 1991. The victims were four teenage girls: 13-year-old Amy Ayers (or Ayres), 17-year-old Eliza Thomas, 17-year-old Jennifer Harbison and Jennifer's 15-year-old sister Sarah.
