When a brilliant intelligence officer from MI6 is discovered dead inside a padlocked duffel bag in his London flat, investigators face an impossible crime scene—no signs of forced entry, no fingerprints, and theories ranging from suicide to espionage—as the shadow of secrecy around his work at GCHQ breeds one of the most perplexing mysteries in British intelligence history.

Sources for this episode include:
“Spy last seen alive eight days before body was found in bag” (The Guardian)
“MI6 officer Gareth Williams and the ‘missing hours’ before his death” (BBC)
“MI6 codebreaker Gareth Williams’ death ‘perfect crime,’ expert says” (CNN)
“Police claim to have solved London ‘spy in the bag’ mystery” (The Independent)
“The Death of The Spy In the Bag is Linked to Russia By Secret Intelligence Files” (BuzzFeed News)

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To some, Helen Duncan is a powerful medium who bridges the realms of the living and the dead. To others, she's a dangerous con artist blending deception and stolen top-secret information to prey on the grieving and the gullible.

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Sources for this episode include:

The Strange Case of Hellish Nell: The Story of Helen Duncan and the Witch Trial of World War II by Nina Shandler
Six Feet Over: Science Tackles the Afterlife by Mary Roach
Regurgitation and the Duncan Mediumship by Harry Price

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A libertarian idealist known only as “The Dread Pirate Roberts” builds the Silk Road—an anonymous online black market that explodes into a billion-dollar empire—until the digital kingpin is unmasked, revealing how one man’s dream of radical freedom spiraled into crime, paranoia, and downfall.

Sources for this episode include:

American Kingpin by Nick Bilton
Joshuah Bearman’s reporting for Wired magazine

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In 1977, candy heiress Helen Brach – one of the richest women in America – vanishes. Detectives consider the many people who might have wanted to get their hands on her money. Ultimately, the primary suspect that emerges is… the Chicago horse mafia.

Sources for this episode include:

Hot Blood: The True Story of an Heiress, a Gigolo, and a Shocking Murder by Ken Englade
“The Puzzle That’s Missing One Piece” (WashPo)
“Candy Heiress's Murder Probe Exposes Brutality in Horse World” (LA Times)

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A 19th-century island experiment founded by two nature-loving Germans goes from Gilligan's Island to Lord of the Flies when an entitled and eccentric heiress moves in.

Sources for this episode include:

Satan Came to Eden: A Survivor's Account of the "Galapagos Affair by Dore Strauch
Floreana by Margaret Wittmer
The Galapagos Affair: Satan Came to Eden (Documentary)
“An Unsolvable Mystery: Captain Hancock and the Case of the Quarrelsome Castaways” (PBS)

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When a lonely Milwaukee housewife lives a double life, her secret world spirals into a decade of deception — culminating in a deadly confrontation, a staged burglary, and one of the strangest true-crime scandals in American history.

Sources for this episode include:
“‘Bat Man’ Case: a Lurid Tale of Love and Death” (LA Times)
“Old Killing Recalled, Spook Stuff Seen in Queer Case” (The Independent Record)
Contemporaneous reporting by The Daily Herald, Brainerd Dispatch, and The Duluth News Tribune

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Molly Watson had waited seven long years for her happily-ever-after wedding with her boyfriend, Jim. Then, less than 48 hours before they were supposed to walk down the aisle, Molly was murdered. And Jim either had the wildest, unluckiest story ever... or he'd fabricated a strange and demented series of lies.

Sources for this episode include:
State of Missouri vs. James Addie (Respondent’s Brief)
20/20, “I Now Pronounce You Dead” (ABC, 2022)
Trial Testimony (Court TV, 2021)

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A charismatic leader convinces his devoted followers that salvation awaits aboard an alien spacecraft trailing a comet—leading the Heaven’s Gate cult to a tragic, otherworldly mass suicide that exposed the dangerous power of blind faith and cosmic delusion.
Sources for this episode include:

Heaven's Gate: The Cult of Cults (HBO Max)
Heaven’s Gate: America’s UFO Religion by Benjamin E. Zeller
Bounded Choice: True Believers and Charismatic Cults by Janja A. Lalich

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A brilliant con man turns his life into a high-stakes romantic heist, embezzling fortunes and pulling off mind-bending jailbreaks—all to keep the man he loves in the lifestyle he thinks he deserves.

Sources for this episode include:

I Love You Phillip Morris : A True Story of Life, Love and Prison Breaks by Steve McVicker

Reporting from Alex Hannaford in Esquire

The Guardian

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26-year-old "trunk murderess" Winnie Ruth Judd killed her two best friends one hot Phoenix night in 1931. Then she stuffed both of them into trunks and loaded them on a train to Los Angeles. What the press assumed was a simple case of jealousy only got messier with each new version of the story Winnie told.
Sources for this episode include:

The Trunk Murderess: Winnie Ruth Judd by Jana Bommersbach The Arizona Memory Project

“Ruthless: A Long-Lost Confession Letter May Finally Tell the Real Story of Winnie Ruth Judd” by Robrt L. Pela (Phoenix New Times)

“'Trunk Murderess': Shocking new info about notorious Phoenix murders” by Meredith G. White (Arizona Republic)
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When McDonald’s ran its beloved 1990s Monopoly sweepstakes, Jerome "Uncle Jerry" Jacobson had one job: Protect the game pieces. Instead, he used his position as Head of Security to rig the game. For years. To the tune of over $24 million in cash and prizes.

Sources for this episode include:
"How an Ex-Cop Rigged McDonald’s Monopoly Game and Stole Millions." by Jeff Maysh The Daily Beast, July 29, 2018.

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