Careless | Tortoise Investigates

Journalist Rachel Sylvester investigates the case of 'Australia's worst serial killer'. And discovers, in a story about mothers who have been accused of murdering their own children, there is one man who connects them all: a doctor called Roy Meadow.

Our thanks to The Francis Crick Institute for sharing recordings and insights. 

Reporter: Rachel Sylvester

Producer: Gary Marshall

Music supervisor: Karla Patella

Sound design: Rowan Bishop

Podcast artwork: Lola Williams

Executive producer: Basia Cummings

Hosted on Acast. See acast.com/privacy for more information.

Introducing...The Lab Detective

Kathleen Folbigg experienced unimaginable loss. All four of her infant children died suddenly, over a 10-year period. Their deaths were unexplained. Until a police detective turned up at her door, and arrested Kathleen on suspicion of murder. 

She was labelled ‘Australia's worst female serial killer’, convicted, and was destined to spend most of the rest of her life in jail. 

Until a different type of detective entered her life. A scientist working in a lab who uncovered the truth behind the deaths. 

This is the story of a shocking miscarriage of justice, but as journalist Rachel Sylvester starts to investigate how this happened, she learns that Kathleen is not alone – other mothers have endured the same fate, and may also be in prison. 

The Lab Detective is a story about the power of science, and the determination of those searching for the truth.

The full series is available to listen now.

Reporters: Rachel Sylvester 

Producer: Gary Marshall

Executive editor: Basia Cummings 

Music supervisor: Karla Patella 

Sound design: Rowan Bishop 

Artwork: Lola Williams 

Fact checking: Ada Barume and Madeline Parr

Our thanks to The Francis Crick Institute for sharing recordings and insights.

Watch a short documentary on the genomics team behind Kathleen Folbigg's case filmed at the Crick

To find out more about The Observer:

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Head to our website observer.co.uk 

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If you want to get in touch with us directly about a story, or tell us more about the stories you want to hear about contact [email protected]

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Gareth’s whole life has been defined by a relationship he had 35 years ago when, as a 14-year-old schoolboy, he fell in love with an attractive young teacher at his school. He spent most afternoons in her bedroom and thought he was the luckiest boy in the world. But when she walked out of his life everything started to unravel. 

Lucky Boy is a new four-part series in which Chloe Hadjimatheou asks who gets to be a perpetrator and a victim.

You can find out more about Tortoise:

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Reported and produced by: Chloe Hadjimatheou and Gary Marshall

Sound design: Hannah Varrall

Podcast artwork: Lola Williams

Executive producer: Basia Cummings

Hosted on Acast. See acast.com/privacy for more information.

When Donald Trump declared victory in the US presidential election, he told an adoring crowd that "a star is born". He was referring to Elon Musk.

After months of reporting on the billionaire's use of private investigators, Alexi asks whether the insights he gained from that investigation reveal how Musk will operate in his new political era, and what that means for everything in his orbit.

You can find out more about Tortoise:

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Reported and produced by: Alexi Mostrous, Gary Marshall, Matt Russell & Patricia Clarke

Sound design: Bart Warshaw

Original Music: Tom Kinsella

Podcast artwork: Jon Hill 

Executive producer: Basia Cummings

Hosted on Acast. See acast.com/privacy for more information.

To his surprise, Alexi finds himself speaking to a local reporter at the Gold Coast Bulletin in Australia. It’s not where he thought the story would take him but it reveals a new case involving Elon and his spies. 

You can find out more about Tortoise:

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If you want to get in touch with us directly about a story, or tell us more about the stories you want to hear about contact [email protected]

Reporter: Alexi Mostrous

Producer: Gary Marshall

Original Music & Sound design: Tom Kinsella

Podcast artwork: Jon Hill 

Executive producer: Ceri Thomas

Hosted on Acast. See acast.com/privacy for more information.

When Martin Tripp worked at Tesla, he took the advice of his boss Elon Musk - if you discover a problem, tell me about it. But when Martin shares his concerns, his world begins to spiral out of control. 

You can find out more about Tortoise:

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Reporter: Alexi Mostrous

Producer: Gary Marshall

Original Music & Sound design: Tom Kinsella

Podcast artwork: Jon Hill 

Executive producer: Ceri Thomas

Hosted on Acast. See acast.com/privacy for more information.

In 2018, Vernon Unsworth is at the centre of a global news story. He plays a crucial role in rescuing a young football team who became trapped in a flooded cave system. Overnight, he is a hero. But there’s a darker side of his story that’s less well known. That’s where Elon Musk and his private investigators come in. 

You can find out more about Tortoise:

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If you want to get in touch with us directly about a story, or tell us more about the stories you want to hear about contact [email protected]

Reporter: Alexi Mostrous

Producer: Gary Marshall

Original Music & Sound design: Tom Kinsella

Podcast artwork: Jon Hill 

Executive producer: Ceri Thomas

Hosted on Acast. See acast.com/privacy for more information.

Elon Musk is one of the most powerful men in the world. He's a billionaire, the founder of SpaceX, Tesla and more. To his followers, he's a hero; to his critics, a far-right rabble rouser. 

But for someone so public, there’s one part of his life that’s less well known.

Elon’s Spies investigates how this free-speech champion uses private investigators and surveillance to target everyone from whistleblowers at his companies, to online critics and people in his own life. 

Episode 1 is available on Tuesday 8th October, with episodes releasing weekly. To get ad-free access and binge listen to all 3 episodes on Tuesday 8th October, subscribe to Tortoise+ on Apple Podcasts or Spotify or by becoming a Tortoise member.

You can find out more about Tortoise:

Download the Tortoise app - for a listening experience curated by our journalists

Subscribe to Tortoise+ on Apple Podcasts for early access and ad-free content

Become a member and get access to all of Tortoise's premium audio offerings and more

If you want to get in touch with us directly about a story, or tell us more about the stories you want to hear about contact [email protected]

Reporter: Alexi Mostrous

Producer: Gary Marshall

Original Music & Sound design: Tom Kinsella

Podcast artwork: Jon Hill 

Executive producer: Ceri Thomas

Hosted on Acast. See acast.com/privacy for more information.

Neil Gaiman faces a lawsuit in the United States. The first woman to come forward and accuse the best-selling author of sexual assault has filed a complaint against him and his estranged wife, Amanda Palmer. In this episode she explains why she’s taking action. Neil Gaiman denies the allegations and says he has ‘never engaged in non-consensual sexual activity with anyone. Ever.’

Reporter: Rachel Johnson

Producer: Katie Gunning

Sound Design: Dominic Delargy

Artwork: Lola Williams

Editor: Jasper Corbett

Published: 18/02/2025

Hosted on Acast. See acast.com/privacy for more information.

A fifth woman comes forward with allegations against the author Neil Gaiman.

Reporter: Paul Caruana Galizia and Rachel Johnson

Producer: Matt Russell

Additional reporting: Jess Swinburne

Original music and sound design: Tom Kinsella

Series editor: Matt Russell

Editor: Jasper Corbett

To find out more about Tortoise:

Download the Tortoise app - for a listening experience curated by our journalists

Subscribe to Tortoise+ on Apple Podcasts for early access and ad-free content

Become a member and get access to all of Tortoise's premium audio offerings and more

Hosted on Acast. See acast.com/privacy for more information.