Experts offer a disturbing insight into the minds of two men who spontaneously killed an equipment salesman with a sledgehammer when he refused to cough up $10,000.
Dog handlers search for the body of a girl killed by a friend's dad. Her murderer boasted her body would never be found. Can dogs give her parents something to bury?
A ballistics expert employs his fascinating know-how to help nail a murder suspect. However, if he can't match bullet to gun and gun to man, the killer will walk free.
When a 82 year old is brutally murdered, a dogged serologist spends a year searching through thousands of hairs on the scene in the hope of finding one belonging to the killer.
A shop robbery turns deadly. While the criminal tries to hide the evidence, high-tech crime fighting equipment goes into action. `Shot Spotter' alerts investigators who arrive at the scene before the evidence trail can go cold.
Follow the pathologists who solve the seemingly unsolvable. A crash expert reads the scene of a fatal car accident, deducing what happened from the broken glass and skid marks.