On the 8th August 1963, a gang of 15 men attacked a Royal Mail train heading from Glasgow to London and stole over £2.6million in cash. Worth £50million today, the vast majority of the money was never recovered.

A core team of five men with backgrounds in organised crime planned the robbery over a number of months before drafting in support from another group of criminals with experience in train robberies. Central to the plan was information about the amount of money carried on Royal Mail trains, and this was supplied by a Salford postal worker known to the gang ...