20/20 After Show: What Happened to the McStays?

Podcast: 20/20
Host: Debra Roberts
Guest: Matt Gutman (ABC Chief National Correspondent)
Date: October 6, 2025

Main Theme

This episode of the 20/20 After Show delves deeper into the chilling McStay family disappearance—a family of four who vanished from their Southern California home in 2010, only to be found murdered years later. Host Debra Roberts interviews Matt Gutman about his investigative reporting and reflects on the bizarre, unresolved questions that still haunt the case.

Key Discussion Points & Insights

The McStay Disappearance: A True Mystery

• The McStays—a surfer dad, a vibrant wife, and their two young boys—seemed to lead a typical life when, suddenly, they vanished without a trace in February 2010.
• Matt Gutman: “I don’t think I’ve ever covered anything quite like it in which a family simply vanishes.” [02:36]

The Scene: No Sign of Foul Play

• The family home was left as if the McStays had just stepped out:
  • Food on the counters
  • Kids’ clothes lying about
  • No evidence of a struggle or forced entry
• The disappearance confounded law enforcement, delaying the missing persons designation.
• Matt Gutman: “There was no evidence of a struggle. No apparent murder weapons or a murder weapon.” [04:34]

Early Investigative Theories & False Leads

• The family car turned up abandoned near the Mexico border, fueling theories that they had crossed voluntarily into Mexico.
• Border surveillance footage suggested a family of four had crossed, and web history showed searches about moving to Mexico.
• A tip from a waiter in Mexico led to a dead end.
• Matt Gutman: “They believe that they spot this family of four that matches the description of the McStays crossing the border into Mexico... turns out to be nothing.” [05:19]
• Years passed before any break in the case, causing immense distress for relatives.

Scene Details: Frozen in Time

• Still, 15 years later, the McStay home looked almost the same, lending a haunting quality to the story.
• Matt Gutman: “The McStay family home looked almost exactly like it did 15 years ago.” [07:36]
• A neighbor’s security camera captured only minimal, unclear footage as a car left the driveway on the suspected date of disappearance.
• Crucially, the camera malfunctioned for 10 days immediately following the disappearance—lost potential evidence.

The Practical Hurdles of the Investigation

• Investigators faced major barriers:
  • No physical evidence, DNA, or blood
  • No eyewitnesses
  • Surveillance camera failure during crucial days
• Detective Brucos: “The one surveillance camera that might exist goes blank on the days they might need it.” [08:57]
• Matt Gutman: “It feels like this is a really tough start.” [08:57]

The Arrest: Chase Merritt

• Attention turned to Joseph McStay’s business partner, Chase Merritt:
  • Motive linked to debts—Merritt owed McStay over $40,000
  • Evidence of Merritt writing checks to himself after the disappearance
  • Cell phone data placed him near the gravesite in the Mojave Desert
  • Matt Gutman: “Chase Merritt, according to prosecutors, had a gambling problem... once Joseph disappeared, [he started] cutting checks to himself.” [13:21]

The Trial: A Case Built on Circumstantial Evidence

• No physical evidence connected Merritt to the actual murders—the prosecution relied on circumstantial facts.
• Merritt, even post-conviction, continues to profess his innocence, claiming an alternative cell phone expert could have disproven his presence near the burial site.
• Matt Gutman: “This is a case that was decided solely on circumstantial evidence. There is not a speck of physical evidence that puts Chase Merritt either at the scene of the possible crime.” [14:47]

Memorable Quotes & Moments

• Debra Roberts: “Like frozen in time.” [07:34]
• Detective Brucos (on crucial missing footage): “Certainly. We would like to have as much video footage as we can. And that’s one of the first things we do. We check for cameras in the area.” [08:49]
• Matt Gutman (on the Mojave desert gravesite):
  • “If you look in one direction, it feels like the most remote place on the planet. On the other hand, you’re looking at I-15 right behind you, despite the blistering heat.” [16:52]
  • “So if you’re driving on the highway, you would not have noticed us. But we standing there in the desert looking at the highway, saw every single car...” [17:48]
• Debra Roberts: “It’s kind of a reminder... at the end of these stories it’s all about the loved ones, right? Those who are left behind.” [18:39]
• Matt Gutman: (on the unpredictability of covering stories) “Not for the next 15 minutes.” [19:09]

Timestamps of Key Segments

• 00:32: Show opens, case introduction
• 01:41 – 03:40: Matt Gutman reflects on working the case and the family’s sudden disappearance
• 04:34 – 05:55: Early investigations, the house left undisturbed, and the Mexico theories
• 07:09 – 07:55: Revisiting the McStay home 15 years later
• 08:16 – 10:27: The failed security camera and its significance, with Detective Brucos interview
• 13:21 – 15:56: Focus shifts to Chase Merritt; motive, cell data, and post-conviction claims
• 16:52 – 18:39: Visualizing the Mojave desert burial site and its proximity to civilization
• 18:39 – End: Reflection on the impact for the surviving family and closing thanks

Behind the Scenes

• Matt Gutman shares details of on-the-ground reporting at significant locations—McStay home, neighborhood, and gravesite.
• The production team’s essential support—enabling powerful, immersive visuals for viewers.
• Emphasis on the role of loved ones and the importance of honoring the victims at the heart of true crime stories.

Conclusion

This After Show episode leverages firsthand field reporting and behind-the-scenes context to provide a potent, human-centered view of the McStay murders—a case still marked by unanswered questions, a lack of physical evidence, and the deep suffering of a family whose tragedy captivated the nation.
Debra Roberts: “You and your team just did a really remarkable job of bringing to us this story of a mystery, but one that just really was so very captivating.” [18:39]

For further detail and in-depth coverage, the full 20/20 episode “What Happened to the McStays?” is available now on Disney and Hulu.