David McCloskey

It reminds me a little bit of...

the recent admission by the Iranians, and this was a few years ago, that they had stood up a unit, a counterintelligence function, to root out Mossad operatives inside their own intelligence services.

And then it came out that the guy who was running it was himself an agent of the Mossad and had brought other agents of the Mossad in to work with him.

So it's this fox in the henhouse thing that's so...

I mean, the whole thing is, the whole organization's turned inside out when that happens.

And I guess by the late 80s, the IRA is shifting to this strategy called the long war.

So more emphasis on political activity.

This is a fast-paced, edge-of-your-seat story where you never quite know who to trust or what happens next.

Welcome back.

We are going to dive into some of the individual stories about the people inside the IRA or adjacent to the IRA who sort of found themselves wrapped up in this dirty war.

And I guess one very valuable agent of influence, Gordon, was named Willie Carlin.

So that's kind of- Not your typical MI5 guy, I suppose, in that sense.

This is where the story gets perhaps even more wild and actually winds up

crossing streams with another story we've done because believe it or not, Gordon, you found a way to get Oleg Gordievsky into a story about steak knife and the IRA.

And we did a six-part series on Gordievsky last year, which is fascinating in its own right.

But Gordievsky is the KGB resident in London in the early 1980s.

He is spying for the Brits.

He's spying for MI6.

And Gordievsky has revealed to MI6 that an MI5 officer has offered himself up to the KGB in London.

Now, that officer is a man called Michael Bettany, who's caught after a mole hunt.