Line of Duty fans are convinced they have worked out who the sinister DCI Jo Davidson really is after she has been revealed to be a bent copper.During Sunday's episode, she was given the role of Acting Superintendent after throwing Ian Buckells under the bus to throw the scent off of her.But whilst fans know that she is corrupt, many are convinced there is a lot more to her backstory that is yet to be revealed.In scenes shown during the series, Jo lives in a plush flat by herself, which features a number of complex locks on her front door to keep unwanted intruders out.
Not only that, she has got family photos on a table in the living room, where a younger version of herself can be seen cuddling a woman, suspected to be her mother.
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