Elizabeth Bathory is the world's most prolific female serial killer according to The Guinness Book of World Records. She is said to have killed anywhere from 80 to 650 people during her time as Countess of Hungary (late 16th century).
We dive deep into this story in an attempt to find the truth, and it wasn't easy. In fact, we still don't know the truth. But it's fun to speculate, right?
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