Investigative journalism at it's best
This whole sorry saga does show the importance of good, solid, long-term investigative journalism. In this case there are a number of people who have doggedly pursued the truth over many years. The real heroes in this are Computer Weekly and Nick Wallis. Computer Weekly first picked up the story in 2004 and have run with it ever since then. The then-editor Tony Collins is also instrumental in exposing other disasters relating to software, including the Mull of Kintyre crash.
Nick Wallis picked up the baton in 2010 and has steadfastly pursued the story ever since. He's the source of most of the BBC articles, he's the co-author along with Richard Brookes of all the Private Eye coverage, and his regular blogging all throughout the legal process is absolutely compelling reading (https://www.postofficetrial.com/) . He's also the presenter of the Radio 4 series that's just ended and will also be presenting a Panorama about the scandal in a couple of weeks.
In the mainstream press although it will pain many to hear, the Daily Mail have been solid in pursuing and keeping this story in the public eye for a number of years now and actually have a pretty good track record in campaigning/investigative journalism.