In 1991, four teenage girls were killed in Austin. Decades later, their cold case is the subject of HBO docuseries "The Yogurt Shop Murders."

"The Yogurt Shop Murders," is slated to debut Aug. 3. The series delves into the events of December 6, 1991, when four girls were found murdered inside an I Can't Believe It's Yogurt! shop

Opening Shot: “Austin, 2009.” A man named Rob Springsteen walks through a mall, and goes into Macy’s looking for a suit. He just got off Death Row and is getting ready for an interview he’s going to do on 48 Hours.