Line of Duty's creator Jed Mercurio has confessed he gave fans a huge hint as to who H was in the very first season of the show.
Fans of the programme were left furious after it was revealed "the fourth man" was dim-witted copper DS Ian Buckells, who is played by Nigel Boyle, in Sunday night's finale episode.
Now, speaking on the Obsessed with... Line of Duty podcast alongside former Dot Cottan actor Craig Parkinson, 55 year old Jed has explained that he made the decision to make Buckells the rotten apple at the heart of police corruption all the way back in the first season of the series.
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