The second in a series of four programmes documenting Glasgow's notorious 'square mile' murders, and presented by John Morrison. A crime of passion? Maybe. It certainly caused a scandal, and prompted David Lean to make the film 'Madeleine'. The question remains - did she do it, or didn't she? In 1856, Glasgow debutante Madeleine Smith began a passionate affair with Emile L'Angelier, a drifter from the Channel Islands.