Fifteen: Inside the Daniel Marsh Murders

Claudia and Chip fell in love in their golden years, surrounded by children and grandchildren. But in the early morning hours of April 14, 2013, their 17 years of marriage came to a brutal end: stabbed to death inside their Davis, California home. Police had no physical evidence, and spent months searching for leads, even within the family itself. But two months later, a tip led them to an unlikely and terrifying suspect – a fifteen-year-old boy. Join “48 Hours” correspondent Erin Moriarty for "Fifteen: Inside the Daniel Marsh Murders," a six-episode podcast that explores one of California's most chilling and notorious crimes.

Episodes

The Unlikeliest Mastermind | Introducing Fifteen

August 18, 2025 • 3 mins

When beloved couple Claudia Maupin and Chip Northup are brutally murdered while sleeping in the peaceful college community of Davis, California, police are left with more questions than answers. With no evidence, weapon or motive, authorities struggle to track down the killer. Who would commit such a heinous crime and why? Months later, a tipster calls to reveal intimate details of the crime. And the mastermind behind it all? Well,...

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A Quiet Life Shattered

August 27, 2025 • 30 mins

When Claudia Maupin moved to Davis, California, she's determined to find the man of her dreams. Sure enough, she falls in love with and marries Chip Northup, and together they merge their families. Life seemed happy and safe, full of love. So when the couple does not show up at church one morning, their family is worried. But they never expect that Chip and Claudia had been the victims of a double homicide inside their home. Get ...

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Unanswered Questions

September 3, 2025 • 29 mins

Without any real leads, the police start to look close to home, questioning Chip and Claudia's own family members. The family cooperates, but as suspicion falls on Chip's son and grandsons, the investigative ordeal becomes another nightmare for the family, as the actual murderer roams free. Get early, ad-free access to episodes of Fifteen: Inside the Daniel Marsh Murders by subscribing to 48 Hours+ on Apple Podcasts. The series is...

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A Strange Tip

September 10, 2025 • 31 mins

Two months after the murders, a teenage tipster calls police with intimate knowledge of the crime and shocking details about who was responsible. But how did this high schooler know so much information, and why didn't he report it earlier? Get early, ad-free access to episodes of Fifteen: Inside the Daniel Marsh Murders by subscribing to 48 Hours+ on Apple Podcasts. The series is widely available everywhere else you get your podca...

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The Unlikely Suspect

September 17, 2025 • 38 mins

The police and the FBI finally meet Daniel Marsh face-to-face. While they have some evidence, they need Daniel to admit to killing Claudia Maupin and Chip Northup. During an hours-long interview, FBI special Agent Chris Campion builds a rapport with Daniel, who describes his troubled childhood, a fascination with violence and a history of self-harm. It all leads to a chilling confession. Get early, ad-free access to episodes of Fi...

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A Killer's Mind

September 24, 2025 • 42 mins

Was Daniel Marsh a depraved psychopath without a conscience, or was he not in his right mind when he murdered Claudia Maupin and Chip Northup? As Daniel Marsh is tried as an adult, his defense team makes the case he was legally insane when stabbing the sleeping victims. Could his medications be responsible for his actions? But the prosecution argues Daniel knew exactly what he was doing and would have harmed others had he not been ...

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Hurt People

October 1, 2025 • 35 mins

Claudia and Chip's family hopes to move forward with their lives, but they're traumatized again when they see Daniel Marsh appear in a video claiming that he is a changed man. On top of that, new state laws intended to provide justice for juvenile offenders also mean that Daniel may get a chance at early release. Can a killer like Daniel Marsh be rehabilitated? And how can the family of Claudia Maupin and Chip Northup find peace? ...

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