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 IRA.

Steakknife.

Listen first on BBC Sounds.

Thanks for downloading a good read.

You can find more information on all the BBC downloads at BBC.co.com.uk

slash radio four.

Hello, welcome. Today, romance adventure and cross-dressing in 18th century France, guilt and betrayal in post-war Japan, and tigers who aren't quite as good at arithmetic as they think.

With me to introduce their choice of a good read are first the stand-up comic and writer Bob Mills,

star of such TV shows as In Bed with Medina and Winlose or Draw

and the scriptwriter for, among others, the movie Pierpoint.

Bob's also a regular on Radio 5, somewhat an anarchically competitive sports quiz,

Fighting Talk.

And it so happens that my other guest is the presenter,

or perhaps that should be referee, of Fighting Talk, Colin Murray.

A three-time Sony gold winner, Colin's other broadcasting work includes anchoring the BBC's

match of the day too, and earlier this year on radio, presenting Soundscape, a six-part

audio journey through music, film and comedy. Colin's also the author of A Random History

...