Series 19
201610 episodes
7.8
January 5, 2016
Nikki becomes the prime suspect after a former colleague is murdered.
Episode 3
Flight (1)
January 11, 2016
A young British Muslim returns to the UK, and concerns over her intentions soon escalate.
Episode 4
Flight (2)
January 12, 2016
Thomas must put his personal feelings aside as the team track down Begovic.
Episode 5
Life Licence (1)
January 18, 2016
An ex-convict is killed and suspicion lands on a recently released child killer.
Episode 6
Life Licence (2)
January 19, 2016
Further victims are killed and a distinctive modus operandi begins to become clear.
Episode 7
In Plain Sight (1)
January 25, 2016
The shooting of a teenager in an armed police operation triggers a series of murders.
Episode 8
In Plain Sight (2)
January 26, 2016
Jack leads the hunt for suspected killer Bruno, the brother of the shot teenager.
Episode 9
River's Edge (1)
February 1, 2016
A family murdered at a picnic leads the team to the female victim's estranged husband.
Episode 10
River's Edge (2)
February 2, 2016
As Nikki and Jack move closer to the truth, their lives are thrown into mortal danger.
