Key to Summary writing
At the time of the murder,the man claimed that he had been travelling on the 8 o'clock train to London and had arrived at work on time.When the inspector asked if a later train would get him to work on time,the man agreed it would but said that he always travelled early.The inspector suggested that he was lying because,that morning,the 8 o'clock train broke down,so the man must have caught the 8.25.