Guild ‧ ford Four, the /ˌɡɪlfəd ˈfɔːʳ $ -fərd-/ BrE AmE
three men and one woman who were sent to prison for life in 1975 for exploding ↑ IRA bombs in the English town of Guildford. They were let out of prison in 1989, because it was shown that some police officers had behaved dishonestly in order to prove that they were guilty. ⇨ ↑ Birmingham Six , ↑ Bridgewater Four