10 Exceptionally Clever Female Con Artists

Ann O'Delia Diss Debar (a.k.a. Swami Laura Horos)
Ann O'Delia Diss Debar (a.k.a. Swami Laura Horos)
Bain News Service, Library of Congress // No known restrictions

You've heard of "con men"—short for confidence men—but what about the con women of the world? Some deceitful dames used their wits and well-laced lies to achieve great wealth, fame, and even the advantages of the aristocracy.

1. Aurora Florentina Magnusson (a.k.a. Helga de la Brache)

Back before blood tests were readily available, it was pretty easy to con your way into a wealthy family line. One Swedish orphan proved all you need is a grandiose backstory. In the mid-19th century, Aurora Florentina Magnusson declared herself Helga de la Brache, the secret daughter of King Gustav IV of Sweden and Queen Frederica of Baden.

She concocted an elaborate tale of the divorced royals reuniting in a German convent and leaving her to live with her "aunt" Princess Sophia Albertine of Sweden. Following Sophia's death—Magnusson's story goes—she was forced into an asylum, where her claims of noble parentage were sure to be ignored. After her "escape," Magnusson petitioned Sweden for a royal pension deserving of her claimed lineage. However, a trial in 1876 proved all of the above to be pure fiction. Magnusson faced fines, but no jail time. From there, she lived quietly with her female co-conspirator, Henrika Aspegren, for the rest of her days.

2. Mary Carleton (a.k.a. Princess van Wolway)

The old orphaned princess line was also employed by this 17th century Englishwoman. After two failed and simultaneous marriages, a resulting bigamy trial, and a fling with a wealthy nobleman, Mary Carleton fled England for the Netherlands. It was upon her return that she used her posh presents and romantic fantasies to remake herself as Princess van Wolway from Cologne.

With this ruse, she seduced and sometimes wed a string of men, playing each only to rob them. It's believed many of her victims were too embarrassed to reveal her deceit. But enough spurned lovers spoke up that her crimes did catch up with her, earning Carleton a death sentence by hanging at age 30.

3. Ann O'Delia Diss Debar (a.k.a. Swami Laura Horos)

Having taken on a slew of aliases in the course of her criminal career, little can be nailed down about this American con woman, including her real name. As enterprising as she was infamous, Ann O'Delia Diss Debar conned countless people through various scams that capitalized on 19th-century spiritualism. This earned her an enemy in dedicated debunker Harry Houdini, who denounced her in his book A Magician Among The Spirits, along with the whole Spiritualism movement, for “mothering this immoral woman.”

The New York Times described her as a “wonderful crook who without personal charm or attraction has set nations agog with her crimes since her girlhood.” After repeated convictions for fraud in the U.S.—and one for rape and fraud in London—Debar vanished from the spotlight and the police blotter. She was last spotted in Cincinnati in 1909.

4. Big Bertha Heyman (a.k.a. The Confidence Queen)

Cigarette card depicting notorious 19th century American criminal Bertha Heyman
Cigarette card depicting notorious 19th-century American criminal Bertha Heyman
Wikimedia Commons // Public Domain

After coming to America in 1878, this Prussian con artist followed in the criminal footsteps of her forger father, regularly ending up in jail. Arrest record aside, Bertha Heyman was considered one of the sharpest con artists of her day. She often played on people's hubris, greed, and ambition to her own ends, offering them the promise of wealth later in exchange for a fat load of cash now.

Even behind bars, she managed to bend people to her will. Not only did she swindle more victims while in jail, but she also convinced prison officials to allow her breaks from confinement to take carriage rides around Manhattan and visits to the theater. It's little wonder she earned the title "The Confidence Queen."

5. Barbara Erni (a.k.a. The Golden Boos)

Born to a homeless couple in 18th century Liechtenstein, Erni concocted an unusual way to make a living, and it earned her the nickname "The Golden Boos." She'd travel the countryside with a trunk she claimed was full of treasure. Wherever she'd stop, she'd ask her hosts to lock it up somewhere safe—like where they kept their valuables. The next day, both the trunk and her host's valuables would be gone.

But how did it work? Erni had a person with dwarfism as an accomplice who'd lie in wait within the trunk. Left alone, he'd emerge to rob the place before both would make their getaway. While her accomplice's fate is lost to history, Erni was eventually caught. After confessing to 17 robberies, she was beheaded in 1785. Erni has the dubious distinction of being the last person executed in Liechtenstein before its death penalty was abolished.

6. Mary Baker (a.k.a. Princess Caraboo)

An image of Princess Caraboo from "Devonshire characters and strange events" by S. Baring-Gould
An image of Princess Caraboo from Devonshire Characters and Strange Events by S. Baring-Gould (1908)
Wikimedia Commons // Public Domain

One of the most famous princess cons ever perpetrated was the brainchild of an English servant with a big imagination. In 1817, a striking woman in exotic garb appeared in a small English village, speaking in an indecipherable tongue. A Portuguese sailor conveniently popped up, claiming he could translate. She claimed to be Princess Caraboo of the island Javasu. Hers was a story of tragedy and danger that had her escaping pirate captors by jumping overboard and swimming through a storm to the safe shores of the English Channel.

This tall tale launched her to near-instant fame, and earned her fans in the wealthy Worrall family who feted and cared for her with lavish attention. Even when a former employer revealed Baker's true identity, the Worrall family stood by the charming impostor. They paid for her passage to Philadelphia, where her fame—despite its fraudulent claims—only grew. She later returned to her true homeland (England, not Javasu), occasionally donning her Caraboo costume for public performances.

7. Cassie Chadwick (a.k.a. The Lost Carnegie)

Born Elizabeth Bigley, this Canadian con artist took the princess routine in a distinctly American direction by claiming to be the heiress of a massively wealthy industrialist. Her cons started small in Cleveland, with Chadwick dabbling in fortune-telling and forgery. After some jail time served for the latter, the forty-something grifter began her biggest con, claiming to be the illegitimate daughter of steel tycoon Andrew Carnegie.

She said he sent her substantial payments to keep her silent, and this was enough for many to give Chadwick hefty loans. One bank lent her a quarter of a million dollars based on her claims, and later went out of business because of it. Carnegie himself attended her eventual trial, which earned Chadwick 10 years in prison. She died in jail in 1907 at the age of 50.

8. Linda Taylor (a.k.a.. The Welfare Queen)

She wasn't just a con artist, but a galvanizing element of Ronald Reagan's 1976 campaign, where the future president declared, "She used 80 names, 30 addresses, 15 telephone numbers to collect food stamps, Social Security, veterans’ benefits for four nonexistent deceased veteran husbands, as well as welfare. Her tax-free cash income alone has been running $150,000 a year.”

Reagan's depiction of "The Welfare Queen" has since been decried as hyperbolic and worse. But Taylor did exploit the welfare system to great lengths through setting up aliases, and spinning her ill-gotten gains into jewelry, furs, and a Cadillac that she'd proudly drive to the public aid office. Taylor eventually did serve time for these offenses. She has also been accused of kidnapping and murder, although never convicted.

9. Jeanne of Valois-Saint-Rémy (a.k.a. Comtesse De La Motte)

A portrait of Jeanne de Saint-Rémy, 1786
A portrait of Jeanne de Saint-Rémy, 1786
Bibliothèque nationale de France, Wikimedia Commons // Public Domain

A Frenchwoman of the 18th century with dubious noble ties, Valois-Saint-Rémy spawned a con so big that it's said to have helped incite the French Revolution by irreparably damaging the reputation of Queen Marie Antoinette. The Affair of The Diamond Necklace involved the conning comtesse convincing the out-of-favor Cardinal de Rohan to procure a fabulous necklace for the queen. Desperate to get in the queen's good graces once more, Cardinal de Rohan wrote the royal letters, for which Valois-Saint-Rémy forged responses. She even employed a Marie Antoinette lookalike for this scam, which ended with de Rohan handing over the hefty piece of jewelry valued at 1,600,000 livres.

When its makers demanded payment from the queen, Valois-Saint-Rémy was arrested and her deception revealed. But in the subsequent trial, the forged letters convinced many that the queen was actually carrying on an affair with the cardinal, further damaging her public persona. The necklace vanished, presumably disassembled for the sale of its many diamonds. Valois-Saint-Rémy served time, but managed to escape and fled to London. In 1789, she published her memoir, wherein she boldly blamed the late Marie Antoinette for the whole ordeal.

10. Sarah Rachel Russell (a.k.a. The Beautician From Hell)

This Victorian-era hustler exploited vanity for profit, promising clients at her upscale London salon everlasting youth courtesy of her special products, such as Rejuvenating Jordan Water, Circassian Golden Hair Wash, Magnetic Rock Dew for Removing Wrinkles, Royal Arabian Face Cream, and Honey of Mount Hymettus wash—all of which were essentially snake oil.

She also dealt in blackmail, and lured women into an Arabian bath that was rumored to have a secret spy hole where men could pay for the privilege to peep. Her trial in 1868 caused a massive stir, not just for her crimes, but also because it revealed that the women of London were paying far more (in money and attention) on make-up and beauty treatments than social mores suggested. Yet her three years in prison did little to change Russell, who, a decade after her original conviction, faced fraud charges once more. This time, the Beautician from Hell died in prison.

A version of this story first ran in 2015.

10 Juicy Facts About Leeches

Ian Cook
Ian Cook

Leeches get a bad rap, but they’re actually pretty cool once you get to know them—and we're finding out more about them, even today. Recently, a team led by Anna Phillips, curator of parasitic worms at the Smithsonian National Museum of Natural History, discovered a new species of medicinal leech (pictured above) in a Maryland swamp. We asked parasite expert and curator at the American Museum of Natural History Mark E. Siddall to share some surprising facts about the worms we love to hate. 

1. Not all leeches suck blood.

Hematophagous, or blood-feeding, species are only one type of leech. “The vast majority of species are [hematophagous],” Siddall tells Mental Floss, “but it depends on the environment. In North America, there are probably more freshwater leeches that don’t feed on blood than there are blood-feeders.” And even among the hematophagous species, there are not too many who are after you. “Very few of them are interested in feeding on human blood,” Siddall says. “Certainly they’ll do it, if they’re given the opportunity, but they’re not what they’re spending most of their time feeding on.” 

2. Leeches are everywhere.

Japanese leech on a log
Pieria, Wikimedia Commons // Public Domain

“Every continent on the planet has leeches, with the exception of Antarctica,” Siddall says. “And even then there are marine leeches in Antarctic waters.” Humans have co-existed with leeches for so long, according to Siddall, that just about every language has a word for leech. 

3. Leeches have made a comeback in medicine.

Bloodletting for bloodletting’s sake has fallen out of favor with Western physicians, but that doesn’t mean medicinal leeches are enjoying a cushy retirement. Today, surgeons keep them on hand in the operating room and use them as mini-vacuums to clean up blood. “That is a perfectly sensible use of leeches,” Siddall says. Other uses, though, are less sensible: “The more naturopathic application of leeches in order to get rid of bad blood or to cure, I don’t know, whatever happens to ail you, is complete hooey,” he says. How on Earth would leeches take away bad blood and leave good blood? It’s silly.” 

4. Novelist Amy Tan has her own species of leeches.

Land-based leeches made an appearance in Tan’s 2005 book Saving Fish from Drowning, a fact that instantly put the author in leech researchers’ good graces. “There are not a lot of novels out there with terrestrial leeches in them,” Siddall says. So when he and his colleagues identified a new species of tiny terrestrial leeches, they gave the leech Tan’s name. The author loved it. “I am thrilled to be immortalized as Chtonobdella tanae,” Tan said in a press statement. “I am now planning my trip to Queensland, Australia, where I hope to take leisurely walks through the jungle, accompanied by a dozen or so of my namesake feeding on my ankles.”

5. Leeches can get pretty big.

The giant Amazon leech (Haementeria ghilianii) can grow up to 18 inches and live up to 20 years. And yes, this one’s a blood-feeder. Like all hematophagous species, H. ghilianii sticks its proboscis (which can be up to 6 inches long) into a host, drinks its fill, and falls off. Scientists thought the species was extinct until a zoologist found two specimens in the 1970s, one of whom he named Grandma Moses. We are not making this up.

6. Leeches make good bait.

Many walleye anglers swear by leeches. “A leech on any presentation moves more than other types of live bait," pro fisher Jerry Hein told Fishing League Worldwide. "I grew up fishing them, and I think they're the most effective live bait around no matter where you go." There’s an entire leech industry to provide fishers with their bait. One year, weather conditions kept the leeches from showing up in their typical habitats, which prevented their collection and sale. Speaking to CBS news, one tackle shop owner called the absence of leeches “the worst nightmare in the bait industry.”

7. Leech scientists use themselves as bait.

Siddall and his colleagues collect and study wild leeches. That means hours of trekking through leech territory, looking for specimens. “Whether we’re wandering in water or traipsing through a bamboo forest,” Siddall says, “we are relying on the fact that leeches are attracted to us.” Do the leeches feed on them? “Oh my god, yes. We try to get them before they feed on us … but sometimes, obviously, you can’t help it.”

8. Leech sex is mesmerizing.

Like many worms, leeches are all hermaphroditic. The specifics of mating vary by species, but most twine themselves together and trade sperm packets. (The two leeches in the video above are both named Norbert.)

9. Some leech species make surprisingly caring parents. 

“There’s a whole family of leeches that, when they lay their eggs, will cover them with their own bodies,” Siddall says. “They’ll lay the eggs, cover them with their bodies, and fan the eggs to prevent fungus or bacteria from getting on them, and then when the eggs hatch, they will attach to the parent. They’re not feeding on the parent, just hanging on, and then when the parent leech goes to its next blood meal it’s carrying its offspring to its next blood meal. That’s pretty profound parental care, especially for invertebrates.”

10. You might be the next to discover a new leech species. 

Despite living side-by-side with leeches for thousands of years, we’ve still got a lot to learn about them. Scientists are aware of about 700 different species, but they know there are many more out there. “I’ll tell you what I wish for,” Siddall says. “If you ever get fed on by a leech, rather than tearing off and burning it and throwing it in the trash, maybe observe it and see if you can see any color patterns. Understand that there’s a real possibility that it could be a new species. So watch them, let them finish. They’re not gonna take much blood. And who knows? It could be scientifically useful.”

22 Weird Jobs From 100 Years Ago

Metal Floss via YouTube
Metal Floss via YouTube

Before everyone started working in tech, people actually had their choice of eclectic and strange vocations that put food on their old-timey tables. Discover what lamplighters, lectores, and knocker-uppers did back in the day as Mental Floss editor-in-chief Erin McCarthy runs down 22 Weird Old Jobs from 100 Years Ago.

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