Hinterkaifeck Murders

The farmstead of Hinterkaifeck sat isolated in the Bavarian countryside about forty-three miles north of Munich, and in the cold early days of April 1922 the six people living there were brutally murdered with a mattock, a pickaxe-like farming tool, and their killer or killers remained in the house for several days after the murders, feeding the livestock, eating food from the kitchen, and sleeping in the beds while the bodies of the victims lay undiscovered in the barn and house, creating one of the most disturbing and puzzling unsolved murder cases in German criminal history. The victims were the farmer Andreas Gruber aged sixty-three, his wife Cäzilia aged seventy-two, their widowed daughter Viktoria Gabriel aged thirty-five, Viktoria's children Cäzilia aged seven and Josef aged two, and the family's new maid Maria Baumgartner aged forty-four who had only arrived at the farm on the day of the murders and whose terrible luck in accepting this position would cost her life within hours of her arrival, and the previous maid had quit six months earlier claiming the house was haunted, hearing strange noises in the attic and experiencing events she could not explain, details that would take on sinister significance after the murders were discovered.

In the days before the killings, Andreas Gruber had mentioned to neighbors several strange occurrences that had troubled him, including finding footprints in the snow leading from the forest to the farm but not leading away, suggesting someone had approached the house and either was still there or had hidden their exit tracks, and he had heard footsteps in the attic and found an unfamiliar newspaper in the house that no one in the family had purchased, and the house keys had gone missing, all suggesting that someone had been watching the family or even entering the house when they were absent, and these warnings should have prompted the family to seek help from authorities or neighbors, but for reasons unknown they did not, and Andreas apparently investigated the attic himself though he found nothing or at least reported finding nothing.

THE MURDERS AND DISCOVERY

The murders occurred on the evening of March 31, 1922, and the reconstruction of events based on forensic evidence suggests that Andreas, his wife Cäzilia, his daughter Viktoria, and his granddaughter young Cäzilia were lured to the barn one by one where they were attacked from behind with the mattock and killed, their skulls fractured by powerful blows that would have caused nearly instant death, and the killer arranged the bodies in a neat pile and covered them with hay and straw, hiding them from casual view. The killer then entered the house where the two-year-old Josef and the newly arrived maid Maria were located, and both were killed in their beds, Josef in his crib and Maria in the maid's quarters, and the autopsy would later reveal that young Josef had lived for several hours after being attacked, lying in his crib with a fatal head wound slowly bleeding out while the killer was somewhere else in the house, a detail so disturbing that it haunts everyone who studies this case, the image of a two-year-old child dying slowly and alone while his family's murderer moved about the house going about unknowable business.

The bodies were not discovered until April 4, four days after the murders, when neighbors became concerned that no one from the farm had been seen and that young Cäzilia had not appeared at school, and when they investigated they found the horrific scene, and police were summoned from Munich bringing with them one of the early pioneers of forensic investigation who examined the crime scene and the bodies and developed theories about the sequence of events though ultimately the investigation would fail to identify the killer or killers. The forensic evidence revealed that after committing the murders, someone had remained in the house for an extended period, feeding the farm animals in the barn which required moving past the hidden bodies, eating meals in the kitchen where plates and utensils showed evidence of use, and possibly sleeping in the beds, and neighbors reported seeing smoke from the farmhouse chimney on the days between the murders and the discovery, confirming that someone was indeed staying in the house with six corpses, behavior so psychologically abnormal that it suggests either a killer completely disconnected from normal human emotions or someone who knew the victims and felt some obligation to maintain the farm even after murdering everyone who lived there.

THE INVESTIGATION AND SUSPECTS

The investigation considered over one hundred suspects but never developed enough evidence to charge anyone with the crimes, and the various theories about motive ranged from robbery gone wrong to revenge killing to the murder being connected to dark family secrets that several witnesses hinted at during the investigation. One persistent theory centered on Viktoria's husband Karl Gabriel who had been declared dead in World War One in 1914 but whose body had never been found or identified, and some investigators believed Karl might have survived the war and returned to find his wife living with her father in what neighbors whispered was an incestuous relationship, as the young Josef was rumored to be Andreas's son rather than Karl's, and that Karl murdered the family in a rage upon discovering this situation, though this theory was never proven and Karl Gabriel was never located if indeed he was still alive.

Another suspect was a man named Lorenz Schlittenbauer who was a neighbor and who had a romantic relationship with Viktoria and who some believed was actually the father of young Josef, and Schlittenbauer was one of the people who discovered the bodies, and his behavior during the discovery was noted as suspicious by some witnesses who said he seemed to know where to look and was not surprised by what he found, and he had a key to the house which gave him access, but no evidence definitively linked him to the murders and he was never charged. The investigation also considered that the murders might be connected to robbery, as there were rumors that Andreas kept a substantial amount of cash hidden on the property, but nothing appeared to have been stolen and the house was not ransacked, suggesting that if robbery was the motive the killer either did not find what they were looking for or was interrupted, though by what or whom remains unknown.

The autopsy results added another layer of mystery when it was discovered that young Cäzilia had survived the initial attack and had been lying in the barn wounded for some time before she died, and investigators found clumps of her hair that she had apparently torn out in pain or distress, indicating she had regained consciousness and suffered before death, and this detail combined with the knowledge that Josef also survived for hours after being attacked creates the nightmarish scenario of two children lying mortally wounded while the killer remained nearby, and whether the killer was aware the children were still alive and simply did not care or whether he believed them already dead and was unaware of their continued suffering adds another disturbing dimension to an already horrific case.

THE AFTERMATH AND ENDURING MYSTERY

The case was never solved despite extensive investigation, and the murder weapon, the mattock, was never definitively identified though a similar tool was found on the property, and the bodies were buried in a nearby cemetery but their heads were removed and sent to Munich for examination by early forensic scientists interested in criminal psychology and phrenology, the now-debunked science of determining character from skull shape, and the heads were somehow lost and never returned to the graves, adding a final grotesque detail to the family's tragedy. The Hinterkaifeck farmstead was demolished in 1923, less than a year after the murders, because no one wanted to live there or work the land where such horror had occurred, and the property was eventually sold and absorbed into other farms, and today the location is an empty field with only a small memorial marker indicating where the house once stood, and locals still speak about the murders though most of the specific details have faded into legend and exaggeration over the past century.

Modern investigators and true crime enthusiasts continue to analyze the case using contemporary forensic understanding and psychological profiling, and several documentaries and books have examined the evidence trying to determine what really happened, and while various theories are proposed with varying degrees of plausibility, the fundamental questions remain unanswered. Who killed the Gruber family and their maid, why did the killer remain in the house for days after the murders tending the animals and living among the corpses, what was the motive for wiping out an entire family including two small children who posed no possible threat, and what was the significance of the strange events Andreas reported in the days before his death, the footprints and the sounds in the attic and the missing keys that suggested someone was stalking the family?

The psychological profile of someone who could commit such murders and then calmly remain at the crime scene for days suggests either profound mental illness or a level of cold calculation that is almost inhuman, and the care taken to hide the bodies in the barn and to cover them with straw suggests some attempt at concealment, yet the killer's decision to stay at the farm and maintain normal activities like feeding animals created evidence of their continued presence that would inevitably lead to discovery, an inconsistency that has never been adequately explained. The haunting detail that has stayed with everyone who studies this case is the image of the killer or killers eating meals at the Gruber family table, sleeping in their beds, going about daily farm chores, all while six bodies including those of two small children lay dead nearby, and trying to understand the mindset that would allow such behavior leads down dark paths of human psychology that offer no comfort and few answers, only the knowledge that some people are capable of acts so monstrous and inexplicable that they defy our attempts to understand them even a century after the fact.