Describes the life of America's first forensic scientist, who invented tools that are still being used today, including blood-spatter analysis, ballistics, lie-detector tests and fingerprints, and solved at least 2,000 cases over 40 years.
A historical narrative describes the events of December 1952 in London, when a smog descended that halted the entire city, as well as allowed a serial killer, John Reginald Christie to strike at least seven victims.