Line of Duty fans spot critical clue over Joanne Davidson's identity in episode 1
dailystar.co.uk** WARNING SPOILERS BELOW**Line of Duty returned to our screens yesterday evening (Sunday, March 21) and fans have spotted a vital clue in the first episode of series 6 about a character's real identity.After the first episode of the season aired, fan theories immediately began circulating over the identity of Kelly Macdonald who has joined the season as Detective Chief Inspector Joanne Davidson.And after spotting the clue, fans now believe there could be more to her character than they first thought.Joanne has come in to take over the case of murdered journalist Gail Vella following new information coming to light a year on from her death.But it's not long before Joanne raises the suspicions of AC-12 and she has Martin Compston, and Adrian.
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