THE NEW DETECTIVES profiles the work of world-renowned forensics experts and criminal investigators and the techniques they use to solve murders and other crimes.
Tool marking: A tool used to commit a crime can often be the same tool used to solve it. The pattern a machine leaves on an item, the unusual way a tool crimps a wire, and even something as innocuous as the shape of a wood chip can lead to a killer.
S3E22 52 min
