In 1840, a murder case hinges on whether a man died of cholera or arsenic-poisoning, and for the first time ever, scientists are called in to test his remains.
In 1983, police in Leicestershire, England struggle to make their case - until they join forces with scientists, who are just discovering the potential of DNA profiling.
After multiple shootings, the only evidence in the DC Sniper case are bullet fragments pulled from the victims. Luckily, scientists can use those to answer vital questions about the killer's weapon.
In 1935, when decomposing body parts were found under a bridge, maggots were used to determine time-of-death and bugs became evidence for the first time.
Join executive producer Annie Paterno and director Jay Dahl on the set of Catching Killers to see how recreating an investigation is all about the details - right down to the clunky computers and o...