'I've never even won a raffle so no chance I'll be picked'
But Reg Eccles number came up. Out of 100 people he was chosen as a juror at the trial in the summer of 1975.
A huge responsibility for a shy, 32-year-old shoemaker with a young family. But he took it on and, although difficult, allowed the experience to change him.
He describes to Eddie what happened. This is a longer version of the interview broadcast on PM.
Reg contacted us after we asked for your experiences of jury service. Thanks to everyone who got in touch - you can read many of the comments on our initial posting and also the follow up.
Barrister Keith Sutton, who got us on to this subject, takes part in the programme this week to share his 20 years experience of working with juries.
There are strict rules about what we can ask former jurors and what information they can offer about their experiences. These restrictions have meant that researchers have been wary of looking at the workings of the jury room. There has been some interesting research which challenges some of the myths of jury selection. For instance, one report says that juries AREN'T made up of just the retired and the unemployed.
You can find out more .