
Line of Duty — Season 3
If you think catching criminals is tough, try catching police officers.
About this season
After a criminal is shot dead during a police raid, the AC-12 team begins examining the conduct of Sergeant Danny Waldron, leader of an elite unit. But Waldron’s loyal team obstructs the investigation, and the truth about the shooting proves more complicated than Arnott and Fleming could ever have imagined.
Episodes (6)

1. Episode 1
8.5Aired 24 March 2016 • 60 min
Sergeant Danny Waldron and his armed response team shoot dead a hardened criminal.

2. Episode 2
8.2Aired 31 March 2016 • 60 min
After the shooting at the drugs house, DC Fleming increases the pressure on Danny Waldron.

3. Episode 3
8.3Aired 7 April 2016 • 60 min
DS Steve Arnott believes there is a dark secret in Danny Waldron's past.

4. Episode 4
7.6Aired 14 April 2016 • 60 min
Fresh testimony launches AC-12 back on the trail of a corrupt officer.

5. Episode 5
8.8Aired 21 April 2016 • 59 min
Loyalties are divided when DS Steve Arnott comes under scrutiny from his colleagues.

6. Episode 6
9.0Aired 28 April 2016 • 88 min
DS Steve Arnott is arrested on suspicion of murder but continues to protest his innocence.