In 2013, Eileen Turnbull was yet again going through the National Archives at Kew in West London.
As the researcher for the Shrewsbury 24 Campaign, she had spent years looking for evidence that could end one of Britain’s greatest miscarriages of justice.
Following successful strike action in 1972 by miners, dockers and others, 24 building workers were arrested on Valentine’s Day 1973, five months after their strike had ended.