Read "The Man Who Knew" by Fred M. White online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
"And what is that," Klein asked.
"Well, you remember what I said to you with regard to that man, Heron? He is under remand at the present moment in connection with a serious burglary charge. And, by a strange coincidence he keeps that little news shop in Camberwell, which was used by certain German agents before the war as a clearing and despatching house for letters, to and from the Continent. But, perhaps, I had better tell you all about that."