As we all eagerly await the Line of Duty finale this weekend, fans have speculated about who could be the mystery person underneath the balaclava in the trailer for next week’s episode.
As the sixth series of the popular cop drama comes to a close this Sunday, fans have been dissecting the new trailer saying they believe Chief Constable Philip Osborne is the mystery balaclava man.
Sparking speculation actor Craig Parkinson asked his followers: “Thanks for all the #ObsessedWithLineOfDuty comments and theories.
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