By most accounts, it would appear that Vietnamese native Lê Thanh Vân had lived a roller-coaster life. From enrolling in the Military Medical School of Dentistry to working as a caretaker to being twice widowed after having borne two children. 

However, people started to become suspicious when more and more people would succumb to mysterious ailments around her, leading to the investigation, capture, and subsequent trial of Vietnam's most prolific serial killer - The Black Widow Poisoner

Tune in to find out more.

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