Margaret Brown’s HBO documentary series, The Yogurt Shop Murders, returned for a fifth episode on May 22—after the real case was solved just weeks earlier. The sexual assault and murder of four Austin teenage girls had remained unsolved for 34 years, until inv
Margaret Brown’s phone rang with the kind of news that doesn’t fit neatly into storytelling.
A 34-year mystery—one she had just finished turning into a four-part HBO documentary—had suddenly snapped into focus. And this time, the series wasn’t about uncertainty anymore.
The case she explored. the sexual assault and murder of four teenage girls in Austin. Texas. had haunted families for decades. It was also a long, bruising road for four men wrongfully accused. Two—Robert Springsteen and Michael Scott—were convicted based on coerced confessions. Those convictions were overturned, and the charges were dropped in 2009. Even so. due to police misconduct and degraded quality of physical evidence. it seemed unlikely the true killer would ever be found.
Then a cold case detective began working with what remained: a single .380 shell casing and an incomplete DNA profile. Dan Jackson, a detective with the Austin Police Department’s cold case unit, started plugging that evidence into national databases. New data and advancing technology produced an answer.
The four girls—Amy Ayers, Eliza Thomas, Jennifer Harbison, and Sarah Harbison—were murdered by Robert Eugene Brashers, a serial killer whose crimes were uncovered years after his death by suicide in 1999.
Brown’s documentary, The Yogurt Shop Murders, is built around the wounds left by that unsolved stretch of time. Now, only weeks after its final episode aired, HBO is bringing viewers back for a surprise fifth episode.
The fifth episode premieres May 22 and, in Brown’s telling, it’s not just about solving a case. It’s about how a truth arriving abruptly changes the shape of grief.
In that same brief window, the legal system delivered a separate, late correction. In February. a Texas judge took the extraordinary step of ruling that Springsteen and Scott were entirely innocent of the crime. The judge ruled as well that Maurice Pierce and Forrest Welborn—who were accused but never tried—were also entirely innocent.
And just after Brown met with Jackson and began turning the new developments into a final film, Austin agreed to a restitution deal worth $35 million. Brown and her team spoke about the documentary’s final chapter the day after that agreement.
The timing mattered to Brown, personally and practically. She described meeting Jackson in Austin shortly before she left. saying she could tell something was happening because the detective was “acting really fidgety.” She said he told her not to rush to switch plans—if there was anything to do. it would take months.
Then, she was in her car driving with her dog when she got the call: she had to turn right back around. Brown said they had to put a crew together in two days to shoot the press conference.
She and producer Alice Henty flew back to Austin, and Brown left her dog with her parents. Brown said HBO urged them to “make a coda,” but after the initial shoot it became clear the story was too big for an afterthought.
She said she made the new episode in six months—“full feature-length”—and that because they moved so quickly, details can feel like blur.
The episode’s structure reflects that collision of worlds: courtroom clarity arrives beside human uncertainty.
Brown said the film spends time in a more procedural lane early on—showing ballistics tests and DNA profiles—until the story turns back toward people. She recalled walking through the science with Dan Jackson and trying to simplify it so viewers could grasp it without it turning into something like a crime-lab spectacle.
She stressed she wasn’t interested in converting the work into an episode of CSI. Instead. she focused on what she sees as the deeper question: how people’s brains react when certainty arrives. and why family members might respond differently to “the boys did it” than to the reality of a serial killer.
In the series. there is a moment where Shawn Ayers says their certainty was not total—he and Angie Ayers estimate the boys’ guilt at 70 percent. leaving 30 percent doubt. Brown said she remembered Shawn’s later reaction to the case being solved as the face of someone lit from inside. She described him looking at his wife and children differently after he got an answer.
Brown also pointed out that the emotional shape of the families’ reactions wasn’t one simple pattern. She said everyone she spoke to seemed “happier to have an answer. ” even if the answer—serial killer Robert Eugene Brashers—was horrifying. Her reasoning was not that the truth was comforting in itself. but that the old explanation had never truly connected to the crime in a way that removed doubt.
When the evidence finally linked the killings to Brashers—whose crimes were uncovered after his suicide in 1999—the documentary moved from unanswered questions to the weight of what those years had done.
The new episode also comes with stark reminders that the case solution did not erase the harm already set in motion.
Brown described how she expected the story to matter in more ways than one. She said she did not want to pretend the final episode would undo decades. Even while the girls’ deaths were now tied to a man who killed repeatedly. she described how investigators were watching the same kind of trail for other crimes—because this work doesn’t end with a single closure.
In the documentary, healing is threaded beside evidence, and pain beside procedure.
Brown said one of the hardest parts of making the series has always been the act of asking people to relive the most painful event of their lives. She described the archive footage from a younger moment—Claire Huie. who worked on an unreleased project about the murders—opening an interview by asking. “Can we start by your telling us how your daughters were murdered?” Brown said the scene shows how clumsy that kind of intrusion can look when trauma is the subject.
She also described the personal shock of taking the job, saying she initially thought, “It happened in Austin. I live in Austin. ” and that the archival footage looked like “Twin Peaks.” Then. once she met families—especially Bob Ayers—she realized how much the work would cost. Brown said she felt immediate dread about what she had gotten her crew into. including having to sit with the same pain on camera.
She said she’s now been approached to do other “really dark things,” but she answered “No,” because it “takes years off your life” to go that deep.
Still, she kept returning to one idea as a guiding north star: the interviews, as brutal as they can be, should help someone find a door out of trauma.
Brown said one of the most difficult questions is whether it’s worth it for someone who can’t get out of bed for a month after an interview. Her answer, she said, is the hope that the film helps someone else who needs that help—someone who may not yet see that there’s light somewhere.
The documentary’s end is also where the injustice becomes impossible to overlook.
Brown said she included the reactions of the victims’ families toward the four men who were wrongly accused. She described an interview scene where the tone isn’t what viewers might expect. and she said it was telling in part because the interview happened about two months after the families found out the men were not responsible.
She explained how she felt the families were still in early recovery—especially with the line from Shawn: “I haven’t gotten to that yet.” Brown also spoke about what Eliza Thomas’ sister Sonora told her. comparing it to grief timelines: in the first year. she said people bring casseroles and bundt cakes. and only later does the processing begin. Brown said she asked those questions early—“at two months”—and she worries viewers may react by judging the families without realizing where they were in the process.
Brown said the key point she wants viewers to hold is that the question of empathy doesn’t sit with the victims’ families alone, even if it shows up on screen. She pointed out that the people who pushed suspects into jail and relied on coerced confessions were not the families.
What changes, with the February ruling and the restitution settlement, is the distance between what the public believed at the time and what the system now acknowledges.
Austin’s agreement to pay $35 million in restitution does more than attach a number to a wrong, Brown said. It is also about reform—about ensuring the same kind of failure doesn’t happen to another family.
She connected the story to the way the wrongfully accused have tried to keep moving. She said Forrest Welborn’s mom invited her to celebrate at the bar, where she described making “sunshine cookies.” Brown called it pure, and she said the warmth is complicated by everything they have survived.
That mixture of devastation and resilience is what makes the documentary’s final episode land so hard. Brown said the most emotional part involves Forrest Welborn, who had never been formally charged yet was associated with the case for decades.
She described pre-interview time with him—hanging out at his bar, drinking, trying to make sure he understood they were people, not vultures. She described his mother’s weekly routine: every Tuesday night, she makes soup for everyone.
Then comes the moment Brown said she prayed would go well: the interview itself. She said Welborn was nervous, surrounded by his lawyers and people who cared about him deeply, and that he had something he wanted to say.
Brown described a scene in which. when asked about how his friends betrayed him. he stood up and walked out the front door. Brown said she held the shot and thought the interview was over. But she added that he came back and decided to continue—telling a different story than the one fear might have predicted.
Brown said she didn’t chase him, saying she knew he needed space and she wouldn’t be “some weird woman chasing you.”
The closing question in the conversation is whether making this final episode also lets Brown close a personal chapter.
She said she felt good about the last episode because even when she finished the first four, the team felt something was unresolved. She described the surprise of returning to darkness, but also the feeling of making something where there is “some partial closure.”
Brown said the closure wasn’t only for families. It was also for her and her team. She called it collective—an emotional reckoning she said the filmmakers had to meet, not avoid.
When they heard the “boys” received $35 million, she said she was overwhelmed. “There needs to be a reckoning,” she told her interviewer. “This is part of the reckoning.”
The fifth episode, coming May 22, carries an answer at last: Robert Eugene Brashers. But it also carries what comes after an answer—what it means when uncertainty leaves, and the years of damage still remain.
The Yogurt Shop Murders HBO Margaret Brown Austin Texas cold case Robert Eugene Brashers Robert Springsteen Michael Scott Maurice Pierce Forrest Welborn DNA profile restitution wrongful conviction