Line of Duty - Season 3

First aired: 3/23/2016 6 episodes

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.

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Episodes

1. Episode 1

Aired: 3/24/2016

Sergeant Danny Waldron and his armed response team shoot dead a hardened criminal.

2. Episode 2

Aired: 3/31/2016

After the shooting at the drugs house, DC Fleming increases the pressure on Danny Waldron.

3. Episode 3

Aired: 4/7/2016

DS Steve Arnott believes there is a dark secret in Danny Waldron's past.

4. Episode 4

Aired: 4/14/2016

Fresh testimony launches AC-12 back on the trail of a corrupt officer.

5. Episode 5

Aired: 4/21/2016

Loyalties are divided when DS Steve Arnott comes under scrutiny from his colleagues.

6. Episode 6

Aired: 4/28/2016

DS Steve Arnott is arrested on suspicion of murder but continues to protest his innocence.