The Dark Stairway (1953 film)

The Dark Stairway is a 1953 British short film. It was one of a series of shorts made for British cinemas as second features in the 1950s by Merton Park Studios about Scotland Yard, called Scotland Yard. They were narrated by crime writer Edgar Lustgarten, and subsequently broadcast as TV episodes.

A blind man, George Benson, witnesses the murder of Harry Carpenter by Joe Lloyd. Benson finds himself accused of the murder. Inspector Jack Hammond finds the murder weapon and discovers Carpenter was murdered because he betrayed Lloyd to the police. Benson manages to identify Lloyd by his rin, voice and aftershave smell.

Source: Wikipedia