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 program, the origins of Sherlock Holmes.

New books reveal the rich literary heritage

of an aspirant breakaway nation.

And no, it's not Scotland.

And crime writer Kathy writes on the book she'd never lend.

I think the thing that caught my imagination the third time I tried to read the book

is this universal that you're subject, this paradox, that you're subject to rules that you can't control,

but you can't get out of them.

Very impressed that she tried three times.

But first, Amanda Coe, an award-winning screenwriter

who in 2013 won a BAFTA for the BBC adaptation of John Braine's Room at the Top.

...