Expert Witness
Cracking the Killer's Code
Season 4 Episode 4 of 15
Police turn to a forensic linguist to crack the code when the members of a violent gang use a secret language to discuss a fatal attack. Plus, one of the biggest cannabis-growing operations ever seen in the UK is brought down with the help of a drugs expert
Expert Witness airs on BBC One London at 2:30 PM, Thursday 31 October. (Subtitles, new.)
Learn more about Expert Witness and other education/science/factual topics on our factual page
Topics
Education ➝ Science ➝ Factual Topics
Factual Crime
Ashley John-Baptiste
Presenter
Piers Hopkirk
Reporter
Ben Thomas
Producer