48 Hours
48 Hours

A Strange Tip | Fifteen

December 31, 2025

AI Summary

5 min read

🎙️ The Voices & The Context

  • The Format: This gripping true crime podcast episode unfolds as a narrated investigation into a double homicide tip, blending dramatic audio recreations of police calls, interrogation footage descriptions, and in-depth interviews to unravel a shocking teenage confession, delivering a chilling investigative tone that builds relentless suspense.
  • The Format: A narrative story with embedded interviews.
  • The Key Players:
    • Erin Moriarty: 48 Hours correspondent and narrator, guiding listeners through the case with poised, journalistic intensity.
    • Alvaro Garabay: The central interviewee, Daniel Marsh's former best friend turned anonymous tipster; a nervous 17-year-old (22 at interview) whose haunting firsthand account drives the episode's revelations.
    • Daniel Marsh: The 15-year-old suspect, portrayed through Alvaro's eyes as a troubled, violent teen; not interviewed directly here.
    • Supporting Voices: Corporals Scott Allen and Kirith Bresnik (police investigators); brief family mentions like Daniel's father Bill.

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What you'll learn

  • 1 `(01:44)` **Anonymous 911 Call Breaks the Case**
  • 2 `(04:35)` **Episode Introduction: 15 - Inside the Daniel Marsh Murders, Episode 3: A Strange Tip**
  • 3 `(05:49)` **Police Interrogate Alvaro Garabay**
  • 4 `(07:17)` **Origins of Alvaro and Daniel's Friendship**
  • 5 `(08:41)` **Daniel's Early Violent Talk**
  • 6 `(09:25)` **Escalation in High School: Drugs, Videos, and Obsessions**
  • 7 `(11:46)` **Daniel's Mental Health Crises**

+ Full timestamped outline available in the app

Show Notes

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?

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