Helmuth Schmidt

Helmuth Schmidt (July 4, 1876 – April 23, 1918), also known as The American Bluebeard, was a German-born American bigamist, murderer and suspected serial killer. Soon following his arrest in connection with the murder of maid Augusta Steinbach, Schmidt committed suicide in his jail cell. After searching through his properties, he was connected to the murders of three more women, with additional located jewelry and watches indicating possible other victims in New York and Missouri. Provided by Wikipedia