
Two US special agents infiltrate the dark web to rescue children.
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Narrator / Documentary Host
Two US special agents are trying to enter a secret world.
Special Agent / Investigator
Can you imagine trying to infiltrate like a gang or a mob where the only way you were admitted entrance is if you were to abuse a child? How do you do that? How do you get in there into.
Narrator / Documentary Host
A shadow network built by pedophiles?
Undercover Agent / Investigator
This was life for them. Like this was their escape, you know, this was their, this is where they wanted to be.
Narrator / Documentary Host
How do you find someone who is determined to remain hidden?
Special Agent / Investigator
The traffic on the dark web is hidden, is anonymized and encrypted so that the person's identity is clouded from everybody else.
Undercover Agent / Investigator
He's a psychopath, you know, and extremely smart. I think he spoke seven languages. Very, very tech savvy, very, very manipulative, very charismatic. Just people trusted him.
Narrator / Documentary Host
In order to catch them, they will have to pretend to be one of them. I'm Sam Paranti. I've been granted special access to one of the most sensitive areas of law enforcement.
Special Agent / Investigator
There's this child out there, you know, somewhere in the world and that you're able to take that one image and then narrow it down. To be able to find one person in the entire world is like it's quite the rush.
Narrator / Documentary Host
For seven years I've followed Special Agents Pete Manning and Greg Squire as they track down abusers and protect children.
Special Agent / Law Enforcement
Outer doors open, standby.
Narrator / Documentary Host
They will see things that most of us never will.
Special Agent / Law Enforcement
Move in now.
Undercover Agent / Investigator
Upstairs was one of the strangest, strangest things I've ever seen. There was this really, I think it was supposed to be like a children's playroom, but it looked like something out of like a Stephen King movie. It was really, really dark.
Narrator / Documentary Host
But it will come at a cost.
Undercover Agent / Investigator
You know, we're not machines. We do a job that's, that's different. You know, it's, it's different. And somebody said to me in the, in the course of the conversation, well, what, what could we do? Like, what can we do? The first thing that came out of my mouth without, without really thinking, I was like, hey, if you see me in the grocery store, just give me a hug. You know when I hug my kids. That's your fuel, right? That's your why.
Narrator / Documentary Host
They will not look away. They can't. They have to find a 12 year old girl somewhere in America sexually abused.
Undercover Agent / Investigator
For, for over six years. I, I can't even. Every time in this job you say, I can't even believe it, somebody proves you wrong. To look at her as a six year old little girl and her eyes and the light, that is quite normal in a child that age. And then to look at her in that 12 year old range and just to see that start to dim. You see what looks like an old woman behind those eyes and to go. Who has the right to extinguish that?
Narrator / Documentary Host
The smallest of clues could make all the difference.
Special Agent / Investigator
This girl in the, in very normal environments, surrounded by the things that she would have in everyday life. Her favorite clothes, her bed, her bedspread.
Undercover Agent / Investigator
You'd see things, right? Like you've been looking at hundreds of images and hundreds of things that could be clues. So your eye is naturally drawn towards any item in a room that might help you. Like, oh, you know what? We never looked at that.
Narrator / Documentary Host
The race is on.
Special Agent / Law Enforcement
Sheriff's office.
Legal Disclaimer Voice
Warrant.
Special Agent / Investigator
You wanna go up or down stairs maybe?
Special Agent / Law Enforcement
No basement police.
Narrator / Documentary Host
World of Secrets Season 11 the Darkest Web is released from 16th of February. Follow or subscribe so you never miss an episode. If you're in the uk, listen first on BBC sounds.
Podcast: World of Secrets
Producer/Host: BBC
Episode: The Darkest Web: Trailer
Date: February 9, 2026
This gripping trailer introduces the eleventh season of “World of Secrets,” where BBC Eye journalist Sam Piranty has spent seven years embedded with US Special Agents Pete Manning and Greg Squire. The season focuses on their harrowing efforts to track down a twelve-year-old American girl whose abuse has been photographed and distributed across the dark web. The series provides rare, intimate access to the investigators, illuminating both their tactics and the emotional costs of their mission to unmask abusers and rescue children.
Intro to the Mission
The episode establishes the scale and horror of the crimes investigated: a hidden online network catering to child abusers.
Challenges of Infiltration
Special Agents describe the moral and practical difficulty of entering these networks:
Community of Offenders
The dark web isn't just a tool but a community and an escape for offenders.
Technological Barriers
The agents discuss the technological difficulties of tracking abusers through anonymized, encrypted networks.
Cunning Offenders
Some suspects are sophisticated, charismatic, and highly manipulative.
Going Undercover
The team has to “become” the predators to catch them, with immense psychological challenges.
The Search for a Single Child
The investigators share the adrenaline of narrowing down a target from just a clue.
What They Witness
The tasks force agents into situations the average person never encounters.
Haunting Scenes
Agents describe bleak discoveries during their investigations.
Personal Impact
The emotional toll is immense, and sometimes only simple acts of kindness provide relief.
On infiltration and risk:
“Can you imagine trying to infiltrate like a gang or a mob where the only way you were admitted entrance is if you were to abuse a child?”
—Special Agent / Investigator (01:26)
On the offender’s world:
“This was life for them... this is where they wanted to be.”
—Undercover Agent / Investigator (01:43)
On the emotional burden for law enforcement:
“If you see me in the grocery store, just give me a hug. You know when I hug my kids. That's your fuel, right? That's your why.”
—Undercover Agent / Investigator (03:36)
Witnessing victims change:
“To look at her as a six year old little girl... and then to look at her in that 12 year old range and just to see that start to dim. You see what looks like an old woman behind those eyes...”
—Undercover Agent / Investigator (04:22)
This season of "World of Secrets" promises an immersive, deeply human journey into the world of dark web investigations, highlighting both the painstaking detective work and the extraordinary personal sacrifice required to bring justice and safety to the most vulnerable.
Full season available from February 16, 2026.
Content Warning:
The episode contains sensitive material regarding child abuse and exploitation. Listener discretion is advised.