Series 12
12 episodes

1. Safe (1)
1h 0m · Oct 1, 2008
Leo does community service on a rough estate after being done for drink-driving.
2. Safe (2)
1h 0m · Oct 2, 2008
Frustration within the team builds as Harry and Nikki struggle to find any useful evidence from the post-mortems to help the police. No one will talk, and they have no leads. Leo worries for Levi, who is sucked further into a world of gangs and violence.
3. Death's Door (1)
1h 0m · Oct 8, 2008
The team investigates the murder of a woman found dumped on the side of the road with her face removed.
4. Death's Door (2)
1h 0m · Oct 9, 2008
Harry tangles with a Russian oligarch over the murder of a journalist.
5. Terror (1)
1h 0m · Oct 15, 2008
The team investigates an armed raid on a suspected terrorist cell in which two suspects and a police officer are killed.
6. Terror (2)
1h 0m · Oct 16, 2008
Nikki faces mounting police hostility to her investigation of the armed raid.
7. Judgement (1)
1h 0m · Oct 22, 2008
Harry is drawn into the murder of a Hasidic man found on disused wasteland, while Leo investigates the death of an Australian backpacker.
8. Judgement (2)
1h 0m · Oct 23, 2008
A second Hasidic boy is killed, which convinces Harry they are looking for a Jewish killer.

9. The Lost Child (1)
1h 0m · Oct 29, 2008
When one boy is found dead and another is abducted, the team faces a race against time to find the missing child.

10. The Lost Child (2)
1h 0m · Oct 30, 2008
As the search for Liam continues, Nikki's loyalty towards her former mentor is tested.

11. Finding Rachel (1)
1h 0m · Nov 5, 2008
The team is asked to investigate the death of a British medical student in Zambia.

12. Finding Rachel (2)
1h 0m · Nov 6, 2008
Nikki clashes with Zambian police as she investigates the death of a British medical student.