The Hinterkaifeck murders occurred on the evening of March 31, 1922, in which six inhabitants of a small Bavarian farmstead, located approximately 70 kilometres (43 mi) north of Munich, Germany, were murdered by an unknown assailant. The six victims were Andreas Gruber (63) and Cäzilia Gruber (72); their widowed daughter Viktoria Gabriel (35); Viktoria's children, Cäzilia (7) and Josef (2); and the maid, Maria Baumgartner (44). They were all found struck dead. The perpetrator (or perpetrators) lived with the six corpses of their victims for three days. The murders are considered one of the most gruesome and puzzling unsolved crimes in German history. Prior to the murders, the previous maid quit claiming the house was haunted, could that be what led to these grisly and puzzling killings? There are many theories and suspects, from farmhands looking to make a fortune to Victoria's husband, presumed dead and out for revenge. Today, we explore them all!