Trained to Kill: The Dog Trainer, the Heiress and the Bodyguard

Episode: Introducing Fifteen: Inside The Daniel Marsh Murders

Release Date: August 30, 2025
Host: CBS News

Episode Overview

This special introductory episode of "Trained to Kill" pivots from its main narrative to present the chilling story of the Daniel Marsh murders in Davis, California, as previewed in the upcoming podcast “Fifteen: Inside The Daniel Marsh Murders.” The episode sets the stage by recounting the brutal double homicide of beloved community members Claudia Maupin and Chip Northup, exploring both the inexplicability of the crime and the shockwaves it sent through the town when the perpetrator turned out to be a local teenager.

Key Discussion Points and Insights

The Victims: Claudia Maupin and Chip Northup (00:13 - 01:07)

• Claudia Maupin and Chip Northup were respected, well-loved members of the Davis community.
• Their relationship was described as loving, filled with simple pleasures: movies, holding hands, time with family.
• Their absence from church raised immediate concern among their friends and family, signaling something was terribly wrong.

"They had an idyllic life. They lived in Davis. Davis, California is a safe college community."
— [Host, 00:15]

"I called and I called his number and I called Claudia's number and they both went to voicemail."
— [Unattributed, 00:41]

Details of the Crime Scene (01:08 - 01:30)

• The murder occurred while the couple slept peacefully, highlighting the crime’s calculated and cold-blooded nature.
• Entry was gained by cutting a window screen—a detail showing premeditation.
• The victims were stabbed over 120 times, raising questions about the perpetrator’s motivation and physical capacity.

"The mysterious figure meticulously cut a window screen, entered their house and stabbed them to death more than 120 times."
— [Host, 01:15]

• Bizarre details at the crime scene included foreign objects placed inside the bodies, further perplexing investigators and indicating a disturbing psychological element.

Investigation and Community Impact (01:31 - 02:22)

• The lack of immediate evidence — no fingerprints, DNA, or weapon — stymied the investigation.
• The close-knit nature of Davis heightened the community's anxiety, especially as authorities began scrutinizing those close to the victims.
• Investigators remained secretive, fueling suspicion and fear among the victim’s family members.

"They were very tight-lipped. They weren't saying anything. But they were looking at members of your own family."
— [Unattributed, 01:50]

Shocking Discovery: The Perpetrator’s Identity (02:23 - 03:01)

• A key turning point came with a tip that redirected police toward an unexpected suspect: a local teen known well by many in the community.
• Listeners hear immediate disbelief and denial from those close to the case when the age and identity of the perpetrator are suggested.

"I grew up with this person here in Davis… and I've known him. I know him better than anyone else."
— [Unattributed, 02:32]

"Because the killer was only a teenager… Ridiculous. Why is it ridiculous? …How can a child do this? How can they have such a depraved mind?"
— [Host and guest, 02:50]

Notable Quotes & Memorable Moments

• On the couple’s everyday life:
  "They adored each other. They loved going to movies, holding hands, and just being with each other's families."
  — [Host, 00:21]

• On the violence of the crime:
  "Has anybody even had the strength to do that? And why would somebody want to do that?"
  — [Host, 01:24]

• On the community’s shock:
  "That someone would send shockwaves through the entire community because the killer was only a teenager."
  — [Host, 02:47]

Important Segment Timestamps

• 00:13 — Introduction of Claudia Maupin and Chip Northup; their life and standing in the community.
• 01:08 — Description of the night of the murders and method of entry.
• 01:15 — Details of the brutal stabbings and the oddities at the crime scene.
• 01:50 — Frustration during the early investigation, suspicion of those close to the victims.
• 02:32 — Authorities look to an unlikely, young suspect.
• 02:47 — Reaction to the revelation that the killer was a teenager.

Tone and Delivery

The episode’s narrative is careful and haunting, delivered in the measured, investigative style typical of CBS News true-crime reporting. The host, Erin Moriarty, uses first-person account and interviews to underscore both the emotional devastation and the incomprehensibility of the crime, using direct quotes from family and friends to ground listeners in the reality of the impact.

Summary

Through this introduction to “Fifteen: Inside the Daniel Marsh Murders,” listeners are offered a glimpse of a community upended by inexplicable violence—a crime whose brutality is matched only by the shock of the killer’s age. The episode promises an in-depth exploration of the factors that led to the murders, questions of evil and depravity in youth, and the ripple effects of trauma among survivors, setting a compelling foundation for the forthcoming investigative series.