3x2 — Luther

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 Luther 3x2

The investigation leads to William Carney, an aging serial killer in a care home. Luther discovers Carney has been mentored by a "pilgrim," Paul Ellis, who is carrying out the new murders. " Paul Ellis

DSU George Stark and DS Erin Gray continue their obsessive pursuit of Luther, trying to turn DS Justin Ripley against him. swipes his own file

( Kevin Fuller ): The mute, depraved killer acting as Carney's disciple.

Luther enters Stark’s lair, swipes his own file, and warns Stark that he will "take him down harder and faster" if Stark persists.