Helmuth Schmidt was an American con-man, swindler, and suspected serial killer. From 1913 to 1917 he was suspected in the swindling of at least three women and was connected in deaths of at least two other women[1 missing 1 dead]. After his death, following the search of his properties, he was connected to the disappearences of three more women, with additional located jewelry and watches indicating other possible victims in New York and Missouri.