A man who recently inherited a fortune drops dead in the middle of his speech after the annual family dinner on Christmas Eve. There are six suspects - but which has the strongest motive?
A photographer is poisoned in his darkroom with a chemical used in the development of photographs. A police constable uncovers a story of greed and blackmail.
This week's puzzle for the panel is a cleverly planned shooting. The gun is found, but all is not as it appears - and the main red herring could be a dead rat. Can you spot the killer?