The establishment, press and public reaction, the trial, and the aftermath are all set out in compelling narrative detail. Jack Witney served twenty-five years in prison although he shot no one and was released on appeal, only to be murdered in his Bristol flat a few years later. John Duddy died in Parkhurst after fifteen years. But Harry Roberts, by his own admission the instigator of the crime and the most notorious, was released from prison after forty-eight years in 2015 making national front page news.

What could possess an apparently rational and sane man, albeit an habitual criminal, to commit such a callous and ruthless act? What kind of a man is he? How can an ordinary person understand what he did? Should he be forgiven?

50 years later, the full story for the first time.