Diver, Don Juan and drunk, Lionel Crabb is regarded as another of the inspirations for Ian Fleming’s greatest creation, but “Buster’s” story didn’t end like a Bond film. Last seen submerging into the icy depths of Portsmouth on a clandestine mission, theories abound as to what became of him. Did he defect, was he killed in a thrilling under water struggle or was diving with a monstrous hangover his final demise? A bite-size episode with teeth!