Twenty years ago, the British legal system finally acknowledged one of the worst miscarriages of justice of modern times.
A group of men, known as the Birmingham Six, were freed after spending 16 years in prison for two murderous bomb attacks which they did not commit.
Stephen Sackur spoke to one of the men, Paddy Hill, about how he has struggled to rebuild his life since leaving prison.
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You can watch the full interview on Thursday 17 February 2011 on BBC World News at 0430, 0930, 1530 and 2130 GMT and on Friday 18 February on BBC News Channel at 0430 and 2330.