A two-year murder spree at an Indiana hospital ended in 1995, after a nursing supervisor began investigating their high number of patient fatalities.

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With his wife Michele’s death ruled as natural, Martin was free to devote himself to a new life. He began by introducing his mistress as the family’s new nanny, stealing one daughter’s identity, and sexually assaulting another.

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In 2007, a Utah physician murdered his wife of nearly 30 years and tried to make it look like an accident. Martin MacNeill had been a master manipulator all his life, forging his way into medical school and masquerading as a good Mormon husband. This would be his most ambitious con yet — but there’s one thing he didn’t account for: his daughter’s suspicions, and the lengths they’d go to pursue justice.

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After Joseph Michael Swango was caught poisoning colleagues, he was arrested and sentenced to two years. Once free, he returned to the medical world, securing various gigs across America before fleeing the country when his past caught up to him. Once abroad, he claimed even more lives — eventually becoming wanted for murder in two countries.

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Between 1981 and 1997, Dr. Michael Swango targeted both helpless patients and unsuspecting colleagues in his quest for mayhem. But before he carried out his murderous practice, he was a medical school student with an unhealthy obsession for calamity.

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In 1987, their sick game began to lose its appeal — and Cathy began to lose her grip on Gwen. Their relationship became more volatile than ever. As both women began confiding in others about their murders, one person finally took their story to the police. 

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In Michigan in 1986, a heated love affair between two nurse's aides was strengthened by pranks and a devil-may-care attitude toward authority. But their games turned deadly when they began targeting patients who couldn’t fight back.   

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