With Line of Duty’s sixth season finale dividing viewers on Sunday night with the unveiling of the elusive ‘Fourth Man’ working from within the force to aid criminals, obsessive fans have been pouring back over past episodes to look for clues they missed.
Many could not believe that Nigel Boyle’s bumbling DUS Ian Buckells was in fact the character known as H who had been playing both sides throughout Line of Duty’s full six season – and 10 year – run.
The reveal was regarded as anticlimactic by many fans who considered Buckells “too thick” to have been such a criminal mastermind.
Reviewing the past six seasons, however, some fans have uncovered clues from way back in season one that tipped Buckells as the true villain of the show.
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