The Troubles - A Secret History

BBC FOUR

Tuesday 1 October 2019  21:00 - 22:00 (60 mins)
4/7. At the end of the Seventies, the IRA built its own internal security system to root out informers. But British intelligence found a fatal flaw that unlocked many of the IRA's secrets.

The Troubles - A Secret History may be available on playback
The Troubles - A Secret History (BBC FOUR) Tuesday 1 October 2019 21:00 - 22:00