Hoping for a miracle cure, British heiresses Claire and Dora Williamson traveled to Linda Hazzard’s sanatorium in Washington in 1911. But when their childhood nurse becomes concerned for their welfare, it’s a race against time — and Hazzard — to free them. Learn more about your ad choices. Visit podcastchoices.com/adchoices
In the early 1900s, Dr. Linda Hazzard claimed that her special starvation regimens could cure any ailment. What her patients didn’t realize was that she wasn’t even a real doctor — and they were more likely to die under her care than recover. Learn more about your ad choices. Visit podcastchoices.com/adchoices
In June 2001, San Diego toxicologist Kristin Rossum was arrested on suspicion of murdering her husband, 26-year-old Greg de Villers. While her family defended her in the media, investigators discovered one piece of evidence that would clinch their case. Learn more about your ad choices. Visit podcastchoices.com/adchoices
When Greg de Villers died of an apparent suicide in 2000, his wife Kristin was distraught. But an investigation revealed he had been murdered with a lethal dose of fentanyl — and Kristin had the knowledge, the means, and the motive to do it. Learn more about your ad choices. Visit podcastchoices.com/adchoices
A two-year murder spree at an Indiana hospital ended in 1995, after a nursing supervisor began investigating their high number of patient fatalities. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
A German nurse claimed at least 87 — and possibly up to 300 — lives in the 2000s. Niels Högel is thought to be Germany’s most prolific serial killer since World War II. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Despite court battles that stretched on for years, Jeffrey MacDonald stuck to his narrative about what happened the night his wife and daughters were murdered. During that time, a new suspect emerged, evidence was reanalyzed, and an FBI analyst determined a more likely story — one that didn’t involve killer hippies high on acid. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Six months after the infamous Manson murders, an Army surgeon at Fort Bragg alleged that a hippie cult brutally murdered his pregnant wife and two young daughters. Authorities weren’t convinced by Jeffrey MacDonald’s story. Learn more about your ad choices. Visit podcastchoices.com/adchoices
By 1996, the nurses who worked with Kristen Gilbert suspected she was lethally injecting patients with epinephrine. Circumstantial evidence piled up against her, but it wasn't until she made a bomb threat that her fate took a turn for the worst. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Kristen Gilbert showed neurotic tendencies and a penchant for lying as young as adolescence, but it wasn't until she became a nurse that these habits grew dangerous. In 1989, after joining the staff at Veterans Affairs Medical Center in Massachusetts, her colleagues began to notice a rise in cardiac arrest deaths. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Despite his promising career as a dentist, Dr. Arthur Warren Waite had no patience when it came to making a fortune. After marrying an heiress in 1915, he attacked her family one by one. Waite's weapon of choice? Deadly bacteria. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Over a dozen children fell mysteriously ill or died in the span of two months at Grantham Hospital, but it wasn’t until 1-year-old Claire Peck succumbed to a potassium overdose that medical staff contacted authorities. Their investigation found only one nurse was present for every emergency: Beverley Allitt. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
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. Learn more about your ad choices. Visit podcastchoices.com/adchoices
By the 1990s, the perfectionism that had driven Dr. Debora Green’s once-promising medical career had turned into disillusionment. Her bedside manner deteriorated, along with her second marriage. When her husband asked for a divorce in 1995, she decided to retaliate. Learn more about your ad choices. Visit podcastchoices.com/adchoices
After committing a gruesome double-murder, Dr. Ruxton set to work covering up his foul crime. But his efforts were no match for the groundbreaking forensic investigation that ensued. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Shortly after he began practicing medicine in England, Dr. Ruxton met Isabella Kerr. The intensity between them simmered into volatility — and in 1935, after years of escalating domestic abuse, the Lancaster physician exploded in a murderous rage. Learn more about your ad choices. Visit podcastchoices.com/adchoices
