In May 1897, Louisa Luetgert disappeared from Chicago, leaving behind a abusive marriage to Adolph Luetgert, a wealthy entrepreneur known locally as the 'Sausage King.' Police suspected Luetgert had murdered his wife inside his massive A. L.
Luetgert Sausage Paving Company factory, but they faced a monumental legal obstacle: standard 19th-century jurisprudence required a intact corpse to prove the 'corpus delicti' (the body of the crime). A search of the factory's basement revealed a steam-heated vat containing a foul-smelling liquid sludge, small metallic rings belonging to Louisa, and tiny, burnt bone fragments weighing less than a few ounces. To convince a jury that a murder occurred, prosecutors turned to Dr.
George Amos Dorsey, an anthropologist at the nearby Field Columbian Museum. Dorsey painstakingly analyzed the fragments, identifying four minuscule pieces as human bones from the foot, hand, and skull. His expert testimony marked one of the earliest instances of forensic anthropology being used in a high-profile American murder trial.
Despite fierce defense arguments that the bones were animal remains typical of a sausage plant, Dorsey proved their human origin. Luetgert was convicted and sentenced to life in prison, setting a crucial legal precedent that circumstantial evidence and expert scientific testimony could establish corpus delicti even when the victim's body had been almost entirely destroyed.