THIN BLUE LINE

The Met: Policing London, 9pm, BBC1

IN THE fifth episode of this compelling observational series, we meet PC Paul Molyneux (pictured), who, after 30 years, is counting the days towards his retirement. Can he go out on a high by catching Ealing’s most wanted burglars? Meanwhile, homicide detectives investigate the murder of an elderly man in North London, and officers in Newham go undercover to crack a gang of drug dealers who are bringing misery to East London.