The MI5 Spy and the IRA:...

BBC TWO

Wednesday 12 April 2023  01:15 - 01:45 (30 mins)
...Operation Chiffon. How a former MI5 officer put his life on the line to encourage the IRA to make peace. Also in HD. [S,AD,SL]

The MI5 Spy and the IRA:... may be available on playback or on Prime Video (affiliate link)
The MI5 Spy and the IRA:... (BBC TWO) Wednesday 12 April 2023 01:15 - 01:45