Before her violent murder in February 1977, Christa Helm made diary entries and secret audio recordings of her famous and powerful lovers. After she was killed, the diary and most of the tapes vanished. Were they stolen by the killer, or did she hide them herself? Could that evidence still be out there? 

E100: “The Sex Diary Slaying” Pt. 2 - Christa Helm

Unsolved Murders: True Crime Stories is a podcast drama with a modern twist on old time radio that delves into the mystery of true cold cases and unsolved murders. With the help of an ensemble cast, follow our hosts as they take you on an entertaining journey through the crime scene, the investigation and attempt to solve the case. With many surprising plot twists, it’s important you start listening from the first episode of a cold case. New episodes are released every Tuesday. Unsolved Murders: True Crime Stories is a Spotify Original.

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True crime

Imagine if, one day, you are accused of something. Something horrible, violent, heinous. Something you swear you did not do, and nothing you say can convince anyone otherwise — even the people closest to you.
That’s Sophia Johnson’s story.
Sophia was starting fresh: A new life, a new husband, a baby on the way. But it all unraveled on January 10, 2002, when her mother-in-law Marlyne Johnson was found bludgeoned to death in her home. Days later, Sophia was charged with the murder. To this day, Sophia swears she didn’t do it. But someone says they witnessed it — her own brother.
When family betrays family, who do you believe? In this story of a sibling rivalry beyond compare, WBUR’s Amory Sivertson turns the clock back. She reexamines an unsolved case, a family torn apart, and a woman who wasn’t believed.
From WBUR and ZSP Media, this is Beyond All Repair and you're listening to Chapter 1: Boxes.
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Beyond All Repair Chapter 1: Boxes

What happens when a teenager goes missing in the world’s smallest, and supposedly safest, country? Emanuela Orlandi’s sudden disappearance remains the only missing person’s case in Vatican City, yet more than 40 years later we still have no idea what really happened behind the papal state’s walls. 
After the story, stick around for an exclusive interview with the director of The First Omen, Arkasha Stevenson!
This episode is brought to you by Twentieth Century Studios' the First Omen. Experience the most terrifying movie of the year, and what critics are calling “deliciously disturbing” only in theaters April 5th.
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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Disappearance at the Vatican: The Orlandi Case

Elizabeth Short’s gruesome murder is the LAPD’s most infamous unsolved case. But there’s one person who thinks he’s cracked it — the alleged killer’s own son. Today, we reopen the case against George Hodel, a certified genius and once-celebrated doctor who rubbed elbows with noted surrealists… and had a vile history of abuse and terror, even against his own family. This episode originally aired August 2022 - to hear more of Vanessa and Carter check out Serial Killers and Conspiracy Theories.
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The Black Dahlia Murder Pt. 2

In 1940s Hollywood, a 22-year-old aspiring actress is found mutilated and drained of blood. Her body is posed, and her mouth has been carved into a permanent smile. The investigation takes police into the hidden sides of the city — illicit romances and gang-related crimes. But when another mutilated body is found weeks later, the hunt is on for a possible serial killer. This is a crossover series with Unsolved Murders, looking at the murder of Elizabeth Short and other unsolved cases surrounding it. This episode originally aired August 2022 - to hear more of Vanessa and Carter check out Serial Killers and Conspiracy Theories.
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The Black Dahlia Murder Pt. 1

In early 1905, Hawaiian police opened—and quickly closed—an investigation into Jane Stanford’s mysterious death. A century later, an amateur sleuth tried to crack the case, uncovering university scandals, possible motives for murder, and a misinformation campaign led by the president of Stanford University himself. This episode originally aired in September 2020.
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E100: “The Sex Diary Slaying” Pt. 2 - Christa Helm

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