The new HBO docuseries "The Yogurt Shop Murders" shines renewed light on the unsolved 1991 fatal shootings of four teenage girls inside of a yogurt shop in Austin, Texas

The case is the subject of a new HBO series, The Yogurt Shop Murders. Directed by Margaret Brown and produced by A24 and Fruit Tree, the four-part true crime documentary delves into the many developments that have arisen in the decades since, including the arrest (and eventual release) of the case's four prime suspects.

In 1991, four teenage girls, Eliza Thomas, 17, Amy Ayers, 13, and sisters Jennifer Harbison, 17, and Sarah Harbison, 15, were brutally murdered at an I Can’t Believe It’s Yogurt! shop in Austin, Texas.