Bad software sent postal workers to jail

The British satirical magazine Private Eye, which also conducts years-long investigative campaigning journalism, published a comprehensive report [1] on this sorry tale titled Justice Lost in the Post several months ago. The Eye had been doggedly following the case and campaigning for justice for years.

[1] https://www.private-eye.co.uk/special-reports/justice-lost-i...

Edit to add that the UK Government is resisting calls for a statutory inquiry into the affair, as reported in The Register yesterday:

https://www.theregister.com/2021/04/27/uk_government_resists...