4 Season
60 Episode
Expert Witness - Season 4 Episode 4 Cracking the Killer's Code
When a violent gang use a secret language to discuss a fatal attack, police turn to a forensic linguist to crack their code. And one of the biggest cannabis growing operations ever seen in the UK is brought down with the help of a drugs expert.
- Year: 2024
- Country: United Kingdom
- Genre: Documentary, Crime
- Studio: BBC One
- Keyword:
- Director:
- Cast: Ashley John-Baptiste
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