The Knife: A True Crime Podcast

This is part 1 of a 2-part series. Embroiled in a hellish custody battle over her 9-month-old daughter, Lee Barnett made a surprising and criminal decision, to leave the life she'd known behind and start a new one, as an international fugitive.  

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Patia tells Hannah a story about a woman named Antonella Carpenter who charged thousands for a laser treatment she claimed was 100-percent effective in killing cancerous tumors. But in 2010, a federal investigation exposed a million-dollar fraud. 

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This week, we’d like to introduce you to The First Degree, a true crime podcast from Jac Vanek and Alexis Linkletter. In episode 361, Jac and Lex unravel one night in 2006 when medical student Brian Shaffer disappeared, the theories that won’t die, and the question that haunts everyone: how does someone vanish into thin air?

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In 2014, new parents, Jessica and Justin had just returned home from the hospital with their first baby, a boy. But after only one night home, Justin was killed. In an instant, Jessica’s world turned upside down as police hunted for the killer. 

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Patia tells Hannah the story of Oliver Karafa and Lucy Li, a married couple chasing fame and fortune who went on a deadly crime spree. Also, we have recommendations. 

Recommended this week:  

Valley of Shadows podcast 

Heartwood by Amity Gaige (audiobook)

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Cassandra Rosa had just moved back to her home state when she began receiving vulgar messages from an anonymous number. Cassandra was being stalked. The more Cassandra asked for help, the worse things became. 

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Hannah tells Patia a story about a Crime Analyst who spotted the most sinister connection between human remains found along a highway. And later, we hear from Frank Figliuzzi, a retired FBI Agent who breaks down the connection between long-haul trucking and some of America's most notorious serial killers. 

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High-ranking executives at the Columbus Zoo are caught in a wild fraud scheme and experience an epic fall from grace. Marissa Gibson, who investigated their crimes, is here to tell us this bizarre story. And it all starts with a most unlikely whistle-blower. 

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Hannah and Patia join Karen and Georgia on My Favorite Murder to discuss their approach to true crime storytelling, the importance of centering the voices of those affected by crime and what listeners can expect from their new show.

Episode originally aired on My Favorite Murder on March 13, 2025.

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Kylie Bearse, a meteorologist at a local news channel in Denver, joins us to discuss what it feels like to be stalked by an obsessed man. When Kylie took legal action, she thought she’d be protected—until one night in September, when it became clear his obsession was far from over. 

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In 2017, a family friend’s concern over a peculiar coworker led FBI Agent Mark Hastbacka straight into the path of Dana Lawrence — a serial con artist hiding behind the alias “Genna Kaplan.” Patia tells Hannah how Hastbacka pieced together the truth behind Dana’s long con. 

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When Heather Rovet met Jace Paratti, the chemistry was instant. And soon, they were making plans for the future. But when the relationship hit a rough patch, Heather wondered if maybe Jace was hiding something. What she discovered would thrust them both into international headlines and reveal that Jace Paratti wasn’t Jace Paratti at all. 

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For nearly two decades Alec Couros has been the target of scammers on the internet. A professor and public speaker from Canada, Alec discovered in 2007 that his photos were being stolen and used in romance scams. Since then, his face has been used thousands of times to con victims around the world. 

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