On December 6, 1991, four teenage girls—Amy Ayers, 13; Eliza Thomas, 17; and sisters Jennifer and Sarah Harbison, 17 and 15—were bound, gagged, and shot in the head inside the “I Can’t Believe It’s Yogurt!” shop in Austin, Texas, where two of them worked. Investigators said the attacker set the building on fire before fleeing. Firefighters found the bodies amid the blaze, which damaged critical evidence at the scene, as per news agency AP . The crime stunned the city. Some of the girls had been sexually assaulted, and three bodies were found in a back room covered with Styrofoam cups. Despite thousands of leads and multiple confessions, the case went cold for years. In 1999, four men who had been juveniles at the time were arrested. Two confessed and were convicted, with one
Explained: From DNA testing to ballistics - how the infamous 1991 'yogurt shop' murders case was finally solved

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