Line Of Duty season six finale is who is the elusive 'H'?Vicky McClure's mum has suggested that her daughter's character Kate Fleming could be the fourth rogue cop.The heavily anticipated finale is due to air tonight on BBC One with former cast member Craig Parkinson, who played infamous Caddy, claiming it will ‘shock and frustrate’ viewers.
It had been revealed that this episode will finally show viewers who the mysterious 'H' is, with everyone being a suspect even Marcus Thurwell - who is apparently dead.Ahead of the episode that's expected to have viewers on the edge of their seat, Vicky's mum Carol admitted that she doesn't know who the fourth copper is, but that she hasn't ruled out her own daughter.Carol said to The Sunday Mirror: "We.
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