Former sub-postmasters across Yorkshire have been trying to clear their names after they were involved in one of the UK’s biggest miscarriages of Justice a scandal spanning 20 years. It was after money went missing from their accounts following a problem with a newly installed computer system. An inquiry is now underway to get to the bottom of how this happened. Caroline has spoken to families who devoted their lives to serving the Post Office who were then accused of crimes they didn’t commit.