In Northern Ireland, from the late 70s to the early 90s, the IRA killed over 40 alleged informers.

But the man who often found, tortured and sometimes killed these people on behalf of the IRA

was himself an informer, a secret British army agent with the codename Stakeknife.

Who gets to play God? And why me? Why my family?

When lies are still being told to this day, who do you believe?

I wouldn't even know where to start, and I'm with the irony.

Steakknife.

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Hello on today's programme Joseph O'Connor riffs on music in the thrill of it all.

Another top tip for your reading list from the people in the know. And we're hot and sweaty

with David Bediel in his writing den. There is a shower, which doesn't work very well.

Having a shower in your writing room is not really that much use

because I don't think I've ever written anything so steamy.

There's an exercise bike in the corner that I never use ever.

I actually bought that one specifically

because it is actually an exercise bike, which has got a normal seat,

but it's also got a sit-down, sort of lean-to seat on

the back, and I thought this will be brilliant. I will write with my laptop up and pedal at the

same time, that'll be marvellously healthy, done it once. It's virtually impossible to write

when you're that sweaty. Fair point, and we'll be hearing more about David Badeal's

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