DSU George Stark and DS Erin Gray continue their obsessive pursuit of Luther, trying to turn DS Justin Ripley against him.
Luther’s chilling interview with William Carney reveals the killer's motives and the connection to the cold case.
(David O'Hara): The IA officer determined to dismantle Luther’s career. Guide to Key Scenes
In the second episode of Luther Season 3, DCI John Luther investigates a series of "copycat" murders while dealing with an internal affairs investigation designed to bring him down.
( Warren Brown ): Luther's loyal partner who must decide whether to testify against him.
In a pivotal moment, Luther listens to Ripley’s recorded statement and realizes his partner defended him despite the pressure from IA.