The Double Life of Scott Peterson: The Alternate Theories — Ep. 3 | MK Confidential

September 3, 2026

AI Summary

5 min read

On Christmas Eve morning 2002, a woman named Diane Jackson was driving home on Covina Avenue in Modesto, California when she noticed a van that did not belong. Three men were on the property at 516 Cavina, and all three stopped what they were doing and turned to look at her as she drove past. She thought they might be landscapers, but later told police: "Yard workers don't turn their heads and look at you when you're doing your door." She pulled into her own driveway at 11:40 AM and went inside to make her husband's lunch. She had no idea she was witnessing anything connected to a crime. Three days after Christmas, she heard the neighbors at 516 had been burglarized while away. She called the Modesto Police Department. A detective took her statement that evening.

The Witnesses Who Never Testified

Matt Dalton, a former prosecutor who worked for Scott Peterson's defense team, spent years investigating the case. He read more than 30,000 pages of police reports and tracked down witnesses. Six people had told police they saw a very pregnant woman walking a golden retriever on the morning of December 24th. Dalton interviewed all six. None of them ever testified at trial. Defense attorney Mark Geragos told the jury in his opening statement that he would call them, but he never did. Dalton says he still does not know why.

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What you'll learn

1 (00:49) **The Van on Cavina Avenue** - Diane Jackson drives home and sees three men and a van outside 516 Cavina, directly across from Scott and Lacey Peterson's home, at 11:40 AM on Christmas Eve.
2 (04:26) **Multiple Van Sightings Contradict Scott's Account** - At least five people report a strange van near the Peterson home on the morning Lacey disappeared, but Scott never mentions seeing it.
3 (05:29) **The Defense's Investigation** - Former prosecutor Matt Dalton quits his job to work for Scott's defense attorney Mark Geragos and uncovers evidence police overlooked.
4 (07:13) **The Pregnant Woman Witnesses** - Multiple independent witnesses report seeing Lacey alive walking her dog after Scott left for the marina.
5 (09:54) **The Van Speeds Away** - A driving instructor sees a vehicle with a woman's coat caught in the door, which speeds off from the park.
6 (10:45) **The Mailman's Contradiction** - The mailman's testimony suggests Lacey was alive after Scott left, but the jury never hears it.
7 (12:24) **The Burglary Across the Street** - On December 26th, the neighbors at 516 Cavina return to find their home burglarized, but police prioritize the Peterson case.

+ Full timestamped outline available in the app

Guests on this episode

Mark Geragos

Show Notes

“MK Confidential” follows a lead that the jury never fully hears. In the late morning of December 24, 2002, a neighbor spots three men and a van across the street from the Petersons, that don't look like they belong there. Laci Peterson is last seen twenty minutes later.

Megyn tracks down the witnesses one by one: a mailman who says the Petersons' gate was open and their dog, which barks at him every single day, stays silent. Six people who say they saw a pregnant woman walking a golden retriever that same morning, after Scott had already left for the marina. Plus, a hypnotized witness, a burglary across the street, a van found burned nearby, and interview tapes marked for destruction before the trial even begins.

None of it proves that Laci was around that morning. But it raises the question about what the jury was ever allowed to consider. Meanwhile, her husband Scott Peterson changes his appearance and buys a car in his mother’s name — for cash. He has no idea he’ll soon be in handcuffs. This is Episode 3 of the Laci Peterson story.

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