Moira Shearer sees husband ' s murder story . Tonight was the first night of ' Murder Story ' , the new play at the Cambridge Theatre . Written by Ludovic Kennedy , the play is said to strikingly resemble a real life London crime that resulted in one of two youths involved in the murder of a policeman being hanged , despite considerable public controversey . Another youth was jailed . Photo shows , Ludovic Kennedy and his wife , Moira Shearer at the Cambridge Theatre . 22 July 1954