The Abercrombie Guys’ alleged main recruiter is tracked-down to a small town in Wisconsin and asked about his involvement in the operation: “Nobody went into this without their eyes wide open.”

One high profile American lawyer examines the team’s evidence and calls for prosecutors to investigate.

Have you got a story to tell? Email rianna@bbc.com. Let us know what you think of the season using the hashtag #WorldofSecrets

This podcast refers to sexual abuse and contains interviews that some listeners may find upsetting, as well as some occasional strong language.
If you've been affected by any of the issues in this series, please contact support organisations in your own country. For a list of organisations in the UK that can provide support for survivors of sexual abuse, go to bbc.co.uk/actionline.

World of Secrets: Season 1 - The Abercrombie Guys is presented and investigated by Rianna Croxford
Series Producers: Ruth Evans and Alys Harte
Senior Producer: Emma Close
Development Producer: Hannah Livingston
Investigation Editor: Ed Campbell
Podcast Editor: Richard Fenton-Smith
Executive Editor: Emma Rippon
Studio Engineers: Neil Churchill, Andy Fell, Gareth Jones, and Ali Rezakhani
Production Coordinators: Debbie Richford and Sophie Hill
Commissioning Editor: Dylan Haskins
Commissioning Executive: Louise Kattenhorn
Assistant Commissioner: Natasha Johansson

This podcast is made in collaboration with BBC Panorama.

If you are in the UK, you can watch Panorama: The Abercrombie Guys: The Dark Side of Cool on BBC iPlayer now, or on BBC Select if you are in the in the US.

World of Secrets: Season 1 - The Abercrombie Guys is a BBC Long Form Audio production for BBC Radio 5 Live and BBC Sounds.