Line of Duty star Martin Compston, who plays Steve Arnott, warned fans they will "need therapy" after the upcoming dramatic cliffhanger on the BBC police drama
All the Line of Duty fan theories about Jo Davidson s mysterious DNA connection chroniclelive.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from chroniclelive.co.uk Daily Mail and Mail on Sunday newspapers.
There are two things we re interested in after
Line of Duty episode four: nicking bent coppers and finding out who Joanne Davidson is related to. As well as prompting Ted Hastings iconic Mother of God catchphrase, the reveal that Kelly Macdonald s Davidson is the relative of [insert guess here] left our jaws on the floor.
However, with the show s fandom offering up its own identity parade of potential people behind the DNA match, viewers think they ve just discounted a major name.
While Jed Mercurio has proven to be the master of bringing back familiar faces thanks to the return of Kettle Prison Guard #1, season five s Lee Banks and season four s Jimmy Lakewell, the confirmation that Jo is related to someone we already know is sure to signal a major blast from the past.
Line of Duty theories - who is Jo Davidson s secret relative?
Line of Duty viewers love a good mystery and the latest one had everyone under suspicion with the revelation that Jo Davidson is related to someone known by AC-12
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The suspects: who is Joanne Davidson related to in Line of Duty? telegraph.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from telegraph.co.uk Daily Mail and Mail on Sunday newspapers.