Expert Witness (2021)

S4E4 Cracking the Killer's Code

Title: Deciphering the Assassin's Language Plot: As a ruthless gang communicates through a hidden dialect to plan a deadly strike, law enforcement seeks the expertise of a forensic linguist to decode their messages. Meanwhile, the operation leads to the dismantling of one of the largest cannabis cultivation schemes ever uncovered in the UK, thanks to the insights of a drug specialist.