Heart Starts Pounding: Horrors, Hauntings and Mysteries

Episode 145. The Boogeyman: Hinterkaifek, The German Family Slaughtered By A Stranger // MONSTERS SERIES

Host: Kayla Moore
Date: October 16, 2025

Episode Overview

This episode dives into the chilling, unsolved mystery of the Hinterkaifeck murders, where an entire Bavarian family and their maid were brutally slain on a secluded farm in 1922. Through vivid storytelling and a darkly curious perspective, Kayla Moore not only recounts the grizzly events but unravels the haunting myths, community suspicions, disturbing family secrets, and lasting folklore around the case. The central theme juxtaposes the mythic Boogeyman of German legend with the all-too-real human monsters lurking in the shadows—asking listeners, who was the real boogeyman at Hinterkaifeck?

Key Discussion Points & Insights

1. Discovery of the Crime Scene

• (03:30) Unanswered Doors and Growing Unease:
  • Coffee traders and a mechanic separately visit the farm over several days, finding only hungry animals and an eerie emptiness.
  • Mysterious sightings: strangers near the property at night, unexplained lantern light, and odd sounds reported by locals.
• (06:30) Gruesome Find:
  • Lorenz Schlittenbauer, a neighbor, investigates with friends and discovers the bodies of Andreas Gruber, his wife Cecilia, daughter Victoria, and granddaughter Celie in the barn.
  • The rest of the family is also found murdered inside the house, including two-year-old Joseph and the new maid, Maria.

2. The Boogeyman in German Culture

• (11:20) Origins and Folklore:
  • The 'boogeyman' (“der Schwarzelmann” or “the Black Man”) is a faceless, unknowable threat used to scare children into behaving.
  • Kayla highlights how the folklore seeps into the Hinterkaifeck narrative, making the true killer(s) all the more chilling.
    • “Today, the boogeyman is kind of this catch-all term...an evil, usually unknowable presence that lurks in your house or your community.” (12:30)
• (14:10) Boogeyman’s Game:
  • Children’s playground game: “Who’s afraid of the boogeyman?...Then we run.” (13:30)
  • Connects folklore to the real-life events—"But running won't save you from the boogeyman."

3. The Gruber Family’s History and Local Context

• (21:00) Isolation and Wealth:
  • Gruber family kept to themselves, known for their wealth, frugality, and alleged hoarding.
  • The region endured poverty and political instability post-WWI; this fueled rumors and resentment.
• (23:30) Dark Family Secrets:
  • The family rarely kept staff, and many maids left abruptly, hinting at an unsafe or disturbing environment.
    • “Friends and neighbors would later go on to say that they always felt like there was a reason that young girls didn't want to stay in that house for very long.” (17:15)

4. Unraveling the Hauntings and Pre-Murder Omens

• (20:45) Maid’s Haunting Testimony:
  • Previous maid, Kristenz Rieger, quit fearing the house was “haunted”—mentions recurring midnight disturbances and unexplained door openings (20:30).
• (25:00) Attic Noises and Strange Footprints:
  • The night before the murders, Victoria and Andreas hear heavy footsteps overhead; Andreas finds footprints leading to the farm but none leaving, further unnerving the family.

5. Timeline of the Murders

• (27:00) Maid’s Arrival and the Fateful Night:
  • New maid Maria arrives on April 1st, 1922, and is murdered hours later along with the family.
• (29:30) Crime Scene Observations:
  • Victims appeared to be lured one by one into the barn and killed.
  • Animals were cared for and house chores completed after the murders, suggesting the killer(s) stayed on-site for days.
• (31:10) Medical Examiner’s Findings:
  • Bludgeoning with a mattock (a pickaxe-like farm tool); 7-year-old Celie suffered particularly, surviving for hours after the attack.

6. Bizarre Investigation and Community Panic

• (32:50) Botched Investigation:
  • Crime scene quickly contaminated by crowds.
  • Authorities later take the victims' skulls to spiritualists in a desperate attempt to find answers.
    • “They were so lost in this investigation, they thought that someone who could see beyond the veil had a better chance.” (34:50)
• (36:40) Discovery of the Murder Weapon:
  • Months after the murders, the missing mattock is finally found in the attic, adding to the mystery.

7. Family Secrets, Suspects, and Theories

• (39:00) Incest and the True Monster:
  • Andreas Gruber and Victoria were tried for incest in 1915; abuse continued for years.
    • The scandal shapes suspicion and resentment toward the family.
• (41:10) Suspicions Around Lorenz Schlittenbauer:
  • As a neighbor and former lover of Victoria, Lorenz’s behavior after the murders raises eyebrows:
    • He finds and moves the bodies, has a mysterious key, spends alone time inside the house after the discovery.
    • Seen as suspicious but never directly linked by solid evidence.
      • “Lorenz...was there all alone at the crime scene for at least an hour before other people began showing up. Was this enough time for him to clean up the scene and hide the murder weapon?” (41:45)
• (44:00) Other Theories and Suspects:
  • Focus on possible robbery given missing money, but valuables left behind suggest otherwise.
  • Suspicion falls on former employees and local troublemakers, notably Anton Bichler, Georg Siegl, and Joseph Thaler.
    • Testimony is weak, and some accusations may be clouded by personal fear or grudges.
  • The possibility that abuse and incest provoked a ‘boogeyman’ from the community, acting as vigilante or moral avenger.

8. Aftermath and Legacy

• (49:10) The Case Goes Cold:
  • Authorities never solve the case; the files are closed in 1955, briefly reopened in 1986, but no new leads are found.
• (51:15) Folklore Endures:
  • Hinterkaifeck becomes a lasting tale of terror in Germany—melding true crime, urban legend, and the real-life horror of family secrets.
    • “But like I said, there's multiple boogeymen in this story. There's the boogeyman that came into the Gruber home, who lived in the attic and walked around at night, waiting for the moment that they could teach them a lesson, if that's what it was. But there's also the boogeyman that was living inside of the home for years.” (52:50)

Notable Quotes and Memorable Moments

• On Folklore’s Haunting Echo:
  “You might not see him, but you can feel his presence. And you'll know he's there. He's waiting with his sack to throw it over your head and kidnap you when you least expect it.” – Kayla Moore (11:55)

• On the Crime Scene:
  “All of them were dead with these massive visible head wounds...there was a pile of hay and an old stable door placed on top...sticking out from underneath the hay was a human foot.” – Kayla Moore (07:00)

• On the Investigation’s Desperation:
  “Investigators put [the skulls] into a suitcase and brought them to a pair of spiritualists. They were so lost in this investigation, they thought that someone who could see beyond the veil had a better chance of solving who had done this than the police did.” – Kayla Moore (34:52)

• On Family Secrets and the Real Monster:
  “Our understanding of the situation has changed so much in the past 100 years. Now we see incest as what it really is, abuse. We see children as victims, not as willing participants in this. But back then… the Grubers were seen as an abomination for this crime.” – Kayla Moore (39:12)

• Chilling Final Reflection:
  “And the more I look into this case, the more Andreas’ crimes really stick out to me. And it makes me think of one of the victims...that usually gets talked about the least, Maria. Because I don't think it was his charitable spirit that led Andreas to okaying a chambermaid being hired who was intellectually and physically disabled. I think there was a reason why he wanted another young woman in the house that maybe couldn't fight for herself.” – Kayla Moore (53:15)

Timeline of Key Segments

• 03:30 – Coffee traders and mechanic discover the eerie, empty farm
• 06:30 – Neighbors uncover the stacked bodies in the barn
• 11:20 – Boogeyman folklore and its cultural significance
• 17:15 – Frequent staff turnover and the house’s reputation
• 20:45 – Former maid’s haunting experiences
• 25:00 – Noises in the attic and footprints discovered
• 29:30 – Crime scene particulars and aftermath
• 32:50 – Desperate investigative tactics, including spiritualists
• 36:40 – Discovery of the murder weapon in the attic
• 39:00 – Incest conviction and ongoing abuse within the family
• 41:10 – Lorenz’s suspicious actions and possible motives
• 44:00 – Exploration of other suspects: ex-servants and burglars
• 49:10 – Case officially goes cold and becomes part of German folklore
• 51:15 – Enduring legend of the multiple “boogeymen” at Hinterkaifeck

Episode Structure & Tone

• Tone: Dark, atmospheric, empathetic, and investigative. Moore balances respectful discussion of trauma and tragedy with folkloric intrigue.
• Language: Vivid, descriptive, occasionally poetic; maintains podcast’s signature “darkly curious” narrative style.
• Engagement: Encourages listeners to weigh in with their theories and personal responses to the disturbing narrative.

Conclusion

The episode provides a gripping, exhaustively researched account of the Hinterkaifeck murders, enriching the true crime retelling with cultural background, psychological insight, and folkloric resonance. Kayla Moore invites listeners into the mystery: Was the real boogeyman a faceless stranger, a spurned lover, a member of the community, or hidden all along inside the family’s own walls? The question lingers—a testament to how some legends, and some horrors, never die.