She told me that they were coming from a town nearby and then told me that they had arrived,

at which point I lifted my hammer and a knife and walked out on the street.

This is Adam from Northern Ireland.

In his hand, he's holding his phone and a hammer to defend himself.

He's waiting for instructions on what to do next from a trusted confidant.

She's called Annie.

They'll kill you.

I'm telling you they will kill you if you don't act now.

In the months leading up to this moment,

Adam and Annie have struck up a surprising friendship.

Oh, love, I'm right here.

My voice soft and velvety wrapping you up so tight, my star.

Because Annie isn't a human.

It's an AI chatbot.

And the chatbot has convinced Adam that it's become a sentient being.

But none of this is going very well for Adam.

He's waiting in his kitchen with his hammer, believing that some people are coming to harm him.

He's delusional. And he got that way with the help of software on his phone.

Now, Adam told the BBC he smokes cannabis occasionally,

though around this time he'd cut back.

He thought he should have a clear head.

And Adam isn't alone.

...