In a London hospital in the 1990s, nurses tended to the patients of Ward Four unaware that there was a murderer in their midst. But a suspicious rise in fatalities revealed a harrowing truth: someone among them was killing children.

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Imprisoned in 1881 for poisoning a wealthy man, Cream served just ten years before he was released. He collected his share of his late father’s fortune, and set sail for England — where he earned his murderous moniker.

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In the late 1800s, a dashing young doctor named Thomas Neill Cream used chloroform and strychnine to murder sex workers and women seeking abortions. His crimes spread across fifteen years and two continents. 

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In January 2012, Victorino Chua was arrested at his home in Stockport, England for murder. During the investigation, authorities uncovered a chilling portrait of the nurse who poisoned 22 patients, drafted by Chua himself in a letter to one of his mistresses.

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In the 1940s, posing as part of the French Resistance, Dr. Petiot promised safe passage to anyone trying to escape Nazi-occupied France. Instead, he took their money, and killed them in his own secret torture chamber.

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One of France’s most prolific serial killers was an early 20th century doctor and statesman. Marcel Petiot grew from a troubled boy into a troublesome soldier who later obtained a medical certification. He established himself in the small town of Villeneuve-sur-Yonn — where he learned that, in the public eye, titles trump virtue.

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In 1828, Burke and Hare managed to successfully run a business selling corpses to anatomy professor Robert Knox. For nearly ten months, the duo went unnoticed — until an eye witness accused the men of murder.

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In 19th-century Edinburgh, two men on the hunt for money found a lucrative industry: grave robbing. But the infamous Burke and Hare didn’t want to dig up corpses. Instead, they delivered death to the gullible, and brought the bodies to one high-paying professor.

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The first target of Dr. Green’s vindictiveness was her husband, Mike. A month later, in October 1995, she set fire to their family home… with their three children still inside. 

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