'I shall kill you, one by one, and I'll get away with it.  They can't hang me.'   Stories of Crime & Detection Volume Four contains a novel and three short stories: They Can't Hang Me Lucius Marplay has spent the past twenty years in an asylum, having made countless threats against the four men who took over The Echo, the London newspaper that he once owned.  A visit from an old friend gives Marplay an opportunity to escape, and soon he begins a scheme of revenge.  His daughter Joan, having just discovered that her father is in fact alive, rather than dead as she had always been told, endeavours to track him down to talk sense into him. But as the four newspaper men begin to die one by one, can anyone catch this clever murderer, a man capable of vanishing into thin air?  They Can't Hang Me was adapted for the screen as The Witness Vanishes (1939). The Man Who Came Back. An escaped convict has a minor road ac