In 1984, Boris Weisfeiler went on a backpacking trip in Chile and never returned. Chilean investigators insist he drowned, but his family and the U.S. Embassy don’t buy it. It takes decades for the truth to emerge, one bit of evidence at a time. With each new piece of the puzzle, a more and more outlandish picture emerges.

Conspiracy Theories is on Instagram @theconspiracypod and TikTok @conspiracy.pod! Follow us to keep up with the show and get behind-the-scenes updates

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The Yonaguni Monument is a large underwater stone complex off the coast of a tiny Japanese island. After their discovery in 1987, divers and local academics thought the rock formations were human-constructed, indicating the presence of a yet-undiscovered ancient civilization. Could these structures unlock a new chapter of human history?

Conspiracy Theories is on Instagram @theconspiracypod and TikTok @conspiracy.pod! Follow us to keep up with the show and get behind-the-scenes updates

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In the early 20th century, a Turkish historian discovered a map made in 1513 by famed cartographer Piri Reis. The map was incredibly detailed and even featured a perfectly accurate depiction of Antarctica — a continent not discovered for another 300 years.

Conspiracy Theories is on Instagram @theconspiracypod and TikTok @conspiracy.pod! Follow us to keep up with the show and get behind-the-scenes updates from Carter and the team.

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War veterans, wolf-hunters, and the king’s own men hunted the bloodthirsty beast for three years before it was caught. Some called the beast a “werewolf”. Others, a “serial killer in disguise”. But an autopsy of the monster points to a royal conspiracy…

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In the 18th century, an unidentifiable monster preyed on French villagers. The carnage was so bad, one bishop claimed the beast was a punishment from God. Monster or punishment, something or someone killed dozens of people…

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Long before they graced our screens as mindless, brain-eating monsters, zombies were rooted in Haitian folklore. Rumors of a zombie potion made their way to 1980s Boston, where an ethnobotanist hoping to uncover the concoction found himself enmeshed in a secret society and face-to-face with a real zombie.

Keep up with us this spooky season on Instagram @theconspiracypod and TikTok @conspiracy.pod!

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Dubbed “The Last Vampire of New England,” Mercy Lena Brown allegedly feasted on her own family. But she wasn’t the first vampire, or the last. Stories like Lena’s evolved into modern day conspiracy theories, including a vaccine designed to turn you into a vampire, vampire hunting as a get-rich-quick scheme, and government agents who’ll steal your blood.

Keep up with us this spooky season on Instagram @theconspiracypod and TikTok @conspiracy.pod!

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Before becoming the world’s most famous mummy, King Tut was a teen pharaoh. When he suddenly died at age 19, it changed Egyptian history. But it wasn’t until the 1920s that a new theory came into play: King Tut was murdered in a political coup. And he might not have been the only victim.

Keep up with us this spooky season on Instagram @theconspiracypod and TikTok @conspiracy.pod!

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Over the course of their decades-long investigation, the FBI interviewed thousands of potential D.B. Cooper suspects. All leads ran cold. But in 2011, citizen sleuth Tom Colbert started his own search—and he believes he may have finally found the real identity of the mysterious hijacker.

Conspiracy Theories is now on Instagram @theconspiracypod and TikTok @conspiracy.pod! Follow us to keep up with the show and get behind-the-scenes updates from Carter and the team.

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In 1971, a man operating under the pseudonym "Dan Cooper" hijacked a plane, stole $200,000, strapped the money to his body, and then parachuted into the darkness below. Who was he? And what happened to the money?

Conspiracy Theories is now on Instagram @theconspiracypod and TikTok @conspiracy.pod! Follow us to keep up with the show and get behind-the-scenes updates from Carter and the team.

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Ted Kaczynski, the man better known to the world as the Unabomber, died in 2023. But his manifesto and the ideas he presented as justifications for his killings have become more mainstream. We sat down with Candice DeLong, one of the FBI agents who helped capture Kaczynski in 1996, as well as Gary Wright, who survived a bombing in 1987.

Keep up with us on Instagram @serialkillerspodcast! Have a story to share? Email us at [email protected]

Conspiracy Theories is now on Instagram @theconspiracypod and TikTok @conspiracy.pod! Follow us to keep up with the show and get behind-the-scenes updates from Carter and the team.

Check out Candice’s new podcast Natural Selection: Scott v. Wild Bill. All episodes out now.

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