In 1932, at the age of 26, Anna Marie Hahn came up with a morbid get rich quick scheme...murder. The German native would offer her services as a live-in caretaker for elderly men in Cincinnati, and used her expertise in poisons to get rid of her clients while claiming their life insurance.Sponsors!Embrace Pet Insurance - Get your FREE quote at EmbracePetInsurance.com/KILLERS RIGHT NOW!Ring Neighbors -  If you want to see what’s going on in your neighborhood, go to Ring.com/SERIAL to download from the Apple or Android app stores. Learn more about your ad choices. Visit podcastchoices.com/adchoices