ShowbizMurphy's LawImogen Ridgway|Evening Standard11 April 20129pm, BBC1Oh blimey, try not to watch this with one of those people who can't sit through a film without asking "Who's that?" or "Oh, is that the bloke with the hat, from before?" every five minutes.This super-gritty episode of the maverick-cop drama plunges our hero Tommy Murphy (James Nesbitt) into the world of vigilante groups and revenge killings. Murphy visits a charismatic psychologist, who introduces him to a support group which the police think is a front for assassinations.Concentration issues may arise when Murphy's own past rears its head. Or does it?MORE ABOUT2010s CinemaAaron JohnsonBilly ElliotCinemaColin FirthFilm ProducersGangster FilmsMark WilliamsTragicomedyVampires