Line of Duty fans reckon they've cracked the case over the real relationship between Jo Davidson and Tommy Hunter - but it's a tough one to get your head round.
Eagle-eyed fans spotted a Post-it note that could hold a major clue. It read: "Jo Davidson DNA has been identified at Farida Jatri's house.
A match has been made to TOMMY HUNTER stating she is both his niece and daughter." It's a total head-scratcher for fans of the hit BBC police drama, but could be a vital piece of information this series.
DI Kate Fleming (Vicky McClure) couldn't believe it when Team AC-12 revealed why they had her new BFF DCI Jo Davidson (Kelly Macdonald) under surveillance, and viewers were just as gobsmacked.
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