Line of Duty viewers are sure they've spotted the final H after noticing DCS Patricia Carmichael tapping her pen in a suspicious manner whilst interviewing Jo Davidson.She and Kate Fleming had been taken into custody after fleeing the scene following the shooting of bent PC Ryan Pilkington, and Jo promised to cover for Kate.Several clues have been dropped that Carmichael, played by Anna Maxwell Martin, is the final major corrupt officer, aka H, throughout the series.During the fifth episode, ill-fated Jimmy Lakewell told Steve Arnott to "look beyond the race claim" if he wanted to find the mysterious H.Eagled-eyed fans spotted that if you take the letters "race claim" out of Carmichael, you are only left with one letter - H.In Sunday's.
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