In the third episode of the new series of Line of Duty, airing on Sunday 9 Apr at 9.00pm on BBC One, as shocking new evidence is unearthed, AC-12 step up their investigation in to the case against Michael Farmer.
Could the real killer still be at large?
Meanwhile, Detective Constable Jamie Desford (Royce Pierreson) joins the AC-12 team.
Pictured is Michael Farmer (played by Scott Reid)
Line Of Duty Season 4 Episode 3 (of 6) airs on Sunday 9 April 2017 from 9.00pm-10.00pm on BBC One.