A short story from British Library Crime Classic The Christmas Card Crime and Other Stories. “It’s a very rare thing for a murder to be committed actually in the presence of a police officer.” Or so it was thought…After the police fail to trace the writer behind a series of threatening letters to wealthy industrialist Sir Charles Leighton, he demands constant police protection. And thus it is up to Inspector Lang to accompany the man to a bridge party on New Year’s Eve – and track down his killer…