This is The Guardian.

Today on Blackbox, a powerful AI app capable of terrible things, and the hunt for the people behind it.

Hey, it's Babberton de Eleshi here. I've just got back from an epic road trip around the island of Ireland. From exploring natural wonders and stunning cost coastal views to chilling in a seaweed bath.

It's a vibe. Best of all, you don't have to pick between the Causeway coastal routes and the

Wild Atlantic Way. You can experience both iconic routes in one unforgettable trip.

Explore everything Ireland has to offer at the Guardian.com forward slash tourism island.

This message was paid for by Tourism Island.

Before we begin, just a heads up, today's episode contains a little bit of swearing.

Straight up here and right.

Okay.

For the last few months, I feel like I've been wandering through a hall of mirrors.

Especially on this one day, a few weeks ago, when I was walking around London with producers

Josh Kelly and Alex Atack, looking for an AI business who, by this point, we'd been trying

to track down for months.

Should we push the button?

Let's do it, yeah.

Finding ourselves in dark basements of Victorian buildings.

My name is Michael. I'm a journalist. I'm looking for a business.

In winding corridors of faceless office blocks.

It's unfortunate. I won't be able to give you any details, but they're not located in here.

Knocking on doors with handwritten labels and nobody behind them.

Being met with nothing but blank stairs.

...