{
  "title": "The Shadows of Hinterkaifeck: Germany’s Most Haunting Cold Case",
  "dek": "In the spring of 1922, a secluded Bavarian farm became the site of a brutal, inexplicable massacre that continues to baffle investigators and historians a century later.",
  "slug": "hinterkaifeck-murders-unsolved",
  "canonical_url": "https://crimesandmyths.com/case/hinterkaifeck-murders-unsolved",
  "published_at": "2026-10-19T14:54:01.116Z",
  "updated_date": "2026-11-02T12:37:55.512000",
  "word_count": 788,
  "direct_answer": "The Hinterkaifeck murders involved the brutal killing of six family members and their maid at a Bavarian farm in 1922. The victims were killed with a pickaxe, and the perpetrator may have stayed at the farm for days afterward. Theories range from an unknown transient to a local perpetrator, possibly a neighbor, but the case remains unsolved.",
  "key_facts": [
    {
      "label": "Location",
      "value": "Hinterkaifeck farm, Bavaria, Germany"
    },
    {
      "label": "Date of Incident",
      "value": "March 31, 1922"
    },
    {
      "label": "Number of Victims",
      "value": "Six"
    },
    {
      "label": "Case Status",
      "value": "Officially unsolved"
    },
    {
      "label": "Discovery Date",
      "value": "April 4, 1922"
    }
  ],
  "faq": [
    {
      "question": "What happened at Hinterkaifeck?",
      "answer": "Six people, including the Gruber family and their maid, were murdered at their isolated Bavarian farmstead in late March 1922."
    },
    {
      "question": "Was anyone ever convicted for the Hinterkaifeck murders?",
      "answer": "No. Despite decades of investigations and interrogations, no one was ever charged or convicted for the crime."
    },
    {
      "question": "Why is the Hinterkaifeck case considered so mysterious?",
      "answer": "The case is noted for the odd circumstances preceding the murders, including strange noises and unidentified tracks, as well as the theory that the perpetrator may have stayed in the house after the killings."
    }
  ],
  "structured_block": {
    "timeline": [
      {
        "date": "March 31, 1922",
        "event": "Six members of the Gruber household are murdered at the farm."
      },
      {
        "date": "April 4, 1922",
        "event": "Bodies discovered by Lorenz Schlittenbauer and two neighbors."
      },
      {
        "date": "1955",
        "event": "The case is officially closed."
      },
      {
        "date": "1986",
        "event": "Final police interrogations conclude without a conviction."
      }
    ],
    "persons": [
      "Andreas Gruber",
      "Cäzilia Gruber",
      "Viktoria Gabriel",
      "Cäzilia Gabriel",
      "Maria Baumgartner",
      "Josef",
      "Lorenz Schlittenbauer",
      "Karl Gabriel"
    ],
    "evidence_status": "Forensic evidence lost or poorly preserved; investigation compromised by early lack of expertise.",
    "current_status": "Unsolved cold case.",
    "sources": [
      {
        "title": "Hinterkaifeck Murders Overview",
        "url": "https://allthatsinteresting.com/hinterkaifeck-murders",
        "publisher": "All That's Interesting",
        "tier": "tertiary"
      },
      {
        "title": "Hinterkaifeck Case File",
        "url": "https://coldcaseboard.app/cases/hinterkaifeck",
        "publisher": "Cold Case Board",
        "tier": "tertiary"
      },
      {
        "title": "Hinterkaifeck Murders Wiki",
        "url": "https://owiki.org/wiki/Hinterkaifeck_murders",
        "publisher": "OWiki",
        "tier": "secondary"
      }
    ],
    "reviewer": {
      "completeness": 95,
      "narrative_quality": 90,
      "readability": 95,
      "direct_answer_standalone": true,
      "perspective_counterpoints": true,
      "honesty_framing": true,
      "verdict": "pass",
      "reasons": "The article is well-written, accurately sourced, and covers the essential historical details while maintaining a neutral, investigative tone."
    }
  },
  "entities": [
    {
      "name": "Andreas Gruber",
      "type": "Person",
      "sameAs": "https://en.wikipedia.org/wiki/Hinterkaifeck_murders",
      "description": "Head of the Gruber household and a victim of the 1922 murders."
    },
    {
      "name": "Lorenz Schlittenbauer",
      "type": "Person",
      "sameAs": "https://en.wikipedia.org/wiki/Hinterkaifeck_murders",
      "description": "Neighbor of the Gruber family and one of the individuals who discovered the bodies."
    },
    {
      "name": "Bavaria",
      "type": "Place",
      "sameAs": "https://en.wikipedia.org/wiki/Bavaria",
      "description": "A state in southeastern Germany where the crime occurred."
    }
  ],
  "place": {
    "name": "Hinterkaifeck Farm",
    "address": "Bavaria, Germany",
    "sameAs": "https://en.wikipedia.org/wiki/Hinterkaifeck_murders"
  },
  "temporal_coverage": {
    "start": "",
    "end": ""
  },
  "claims": [
    {
      "claim_text": "The perpetrator remained at the farm for three days after the murders.",
      "category": "timeline",
      "agreement_status": "single_source",
      "confidence": 0.7,
      "is_quotable": true,
      "quote_text": "strange noises coming from the attic",
      "quote_attribution": "Former maid"
    },
    {
      "claim_text": "The bodies were discovered on April 4, 1922, by Lorenz Schlittenbauer and two other men.",
      "category": "timeline",
      "agreement_status": "agreed",
      "confidence": 1,
      "is_quotable": false,
      "quote_text": "",
      "quote_attribution": ""
    },
    {
      "claim_text": "Lorenz Schlittenbauer is a primary suspect in the murders.",
      "category": "person",
      "agreement_status": "single_source",
      "confidence": 0.8,
      "is_quotable": false,
      "quote_text": "",
      "quote_attribution": ""
    },
    {
      "claim_text": "The case was officially closed in 1955, though investigations continued until 1986.",
      "category": "outcome",
      "agreement_status": "agreed",
      "confidence": 1,
      "is_quotable": true,
      "quote_text": "The crime was triggered by a personal, emotional conflict.",
      "quote_attribution": "Police University of Applied Sciences in Fürstenfeldbruck"
    },
    {
      "claim_text": "On March 31, 1922, six members of the Gruber household were murdered at the Hinterkaifeck farm.",
      "category": "timeline",
      "agreement_status": "agreed",
      "confidence": 1,
      "is_quotable": false,
      "quote_text": "",
      "quote_attribution": ""
    }
  ],
  "sources": [
    {
      "url": "https://allthatsinteresting.com/hinterkaifeck-murders",
      "title": "Hinterkaifeck Murders: The Unsolved German Massacre",
      "publisher": "All That's Interesting",
      "tier": "tertiary",
      "type": "other"
    },
    {
      "url": "https://en.wikipedia.org/wiki/Villisca_axe_murders",
      "title": "Villisca axe murders",
      "publisher": "Wikipedia",
      "tier": "secondary",
      "type": "wiki"
    },
    {
      "url": "https://owiki.org/wiki/Hinterkaifeck_murders",
      "title": "Hinterkaifeck murders ::: Open WIKI",
      "publisher": "Open WIKI",
      "tier": "secondary",
      "type": "wiki"
    },
    {
      "url": "https://coldcaseboard.app/cases/hinterkaifeck",
      "title": "Hinterkaifeck Murders — Cold Board",
      "publisher": "Cold Board",
      "tier": "tertiary",
      "type": "other"
    }
  ]
}