Erich Koch

Erich Koch, a 72-year-old white male of German descent, died on May 6, 1933, in Cincinnati, Ohio. His death was one of the earliest known murders attributed to Anna Marie Hahn, a German-born woman who became one of America's most notorious female serial killers during the early 20th century. Koch had immigrated to the United States and was living in Cincinnati at the time of his death. He became acquainted with Hahn, who often presented herself as a caregiver or companion to elderly German men, ...