A schoolgirl's murder leads the team to investigate an underground crime ring.
A profile of Thor Christiansen, who terrorised a Californian town in the 1970s.
Can a Marine Captain with PTSD help Gibbs find the missing link to a murder?
As Rebecca returns, Paul's real motive for the twinning project is revealed.
The death of a defence contractor leads the team to a face from Vance's past.
Channel 5 Broadcasting Ltd. 2014