Line Of Duty's creator Jed Mercurio has been addressing some of the biggest fan theories ahead of Sunday night's final. Over the last seven weeks, armchair detectives have been hard at work trying to uncover who the identity of arch villain H, the elusive 'fourth man' with links between OCG and high ranking police officers.
The many, many twists and turns have sent speculation into fever pitch with viewers making a number of wild assumptions and guesses over subtle plot links and hidden clues.
Creator Mercurio has become renowned for his famous 'Jed Herrings', sending his audience into a tailspin before the truth is exposed.
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