Suspense "The Locked Room" January 27, 1944

Murder stalks the owner of the second largest diamond in the world. + Mr Seaton arrives home with a very large diamond worth over a million dollars and goes to his office. His secretary Iris and employee Harold are outside his office when they hear Seaton scream. When they get in to his office it looks as though someone has tried to kill him but the windows are locked and Mr Seaton was alone inside the room and the diamond is missing. The only other people at the house are the Doctor and Mr Van Outen.