|Series 05, Episode 09|
|Air Date||6 November 2006|
The Criminal is the ninth episode of spook's fifth series which aired for the first time on 6 November 2006.
MI5 are assigned to protect Niko Grecic, a Serbian war criminal who is testifying against his former commander at the Hague, whom they believe is targeted by Richard Dempsey, a former MI6 officer who defected to Serbia, and betrayed his old friend, Adam.
Dempsey contacts Adam and wants his help clearing his name, as Harry orders Jo and Zaf to kill him. Adam and Dempsey are able to prove he has no intention to kill Grecic. However, six months later in Rio de Janeiro, Dempsey assassinates Grecic.