Mary Frances Creighton: Who was America's Lucrezia Borgia?

When Mary Frances Creighton was arrested for poisoning her brother, the tabloids went crazy, comparing her to Lucrezia Borgia. Mary was also accused of poisoning her mother-in-law and her work caught up with her when she struck again, years later. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers