Mercedes Griffeth

Root questions Weeks, one of the few men who knows of the Machine's existence, about where it is, and kills him afterwards. Meanwhile, Reese and Carter go to Texas to investigate the girl who disappeared a few years ago.

Frank struggles as he deals with a former cop's gripe about his pension, while Danny hunts for a killer who shot his online prison pen-pal. Anthony confronts the realisation that his foster son isn't suited for police work.