Avsnitt 8

In 1992, two masked gunmen enter the Canadian home of Ward and Diana Maracle to rob them, but Ward was shot in the head. If a perpetrator leaves a shoe print in the mud, investigators use established techniques to make a mold of the shoe impression for later identification. In this case, the impression is left in the snow . Here's the story of one investigator, whose quick thinking and knowledge of science enabled him to capture a shoe impression made in snow, before the evidence melted away.