True Crime Tuesdays on the Fearsome Fiction Podcast: Hinterkaifeck – Germany’s Oldest Unsolved Murder

On a quiet farm in Bavaria, six people vanished into silence — and no one heard a thing. In March 1922, the Gruber family and their maid were found brutally murdered at Hinterkaifeck, a remote homestead outside Munich. The killer stayed for days afterward — feeding the animals, eating meals in the kitchen — and was never identified. A century later, it remains one of Germany’s most chilling unsolved mysteries. This is Hinterkaifeck.