A Scotland Yard ballistics expert is called into identify a murderer through a scientific analysis of the bullet that killed a man.
Length 31 minutes
Edgar Lustgarten | Robert Churchill | Robert Raglan | John Stuart | John Warwick | Christine Adrian | Alastair Hunter | Anthony Bate | Walter Gotell | Howard Lang | Ben Williams | John Rae | Philip Dale | Simon Lack | Shay Gorman | Pat Hagan