Line of Duty as we all count down the hours until Sunday's show-stopping series six finale. Once again we have quickly recognised the writers seem to draw us in with every mind-blowing episode that whistles by.But how does creator Jed Mercurio and his production team manage to keep the show so intense – and keep us coming back for more?It's not all about hunt for bent coppers and Ted Hastings' epic one-liners.
The truth is that the hit BBC show has been inspired by some of Britain’s biggest and most harrowing criminal cases.Line of Duty execs even created a character using the names of a real life murder victim, whose story had striking similarities to both cases.
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