Line Of Duty s Jed Mercurio says he keeps things flexible when writing the hit show - and storylines can change depending on the stars schedules
It was revealed during Sunday night s eagerly-anticipated finale that The Fourth Man - also known as H - was Superintendent Ian Buckells
Initially portrayed as a hapless character, it was revealed that he was in fact the criminal mastermind who had formed the secret network of bent coppers
Many clues appear to have come to light since the show hit screens in 2012, including a real life note from actor Nigel Boyle, who tipped off fans in 2017
The series creator, 55, detailed how he dropped a sign the officer was bent back in 2012 after he allowed the caddy Dot Cottan to speak with Tommy Hunter alone in the back of a van.
Line of Duty: Who is Jo Davidson related to? Identity of blood relative revealed
The wait was over for Line of Duty fans on Sunday when the results of the Jo Davidson cliffhanger were revealed
21:16, 18 APR 2021
Updated
The video will auto-play soon8Cancel
Play now
Get
the latest North East news and updates delivered straight to your inbox Invalid EmailSomething went wrong, please try again later.
Subscribe
When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice.
Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice