London Kills Episodes Available now

Episode 1—Series 4

1/5 With Rob framed for murder, David鈥檚 gung-ho interference does more harm than good.

2/5 A soldier鈥檚 suspicious demise reveals family lies and the consequences of an accident.

3/5 David doubts a fatal stabbing links to a local girl gang鈥檚 actions, but Billie disagrees.

4/5 Drinking links the end of a killed man鈥檚 marriage and his son's revenge attempt.

5/5 A parental revelation might be a murder motive, but a grudge derails David鈥檚 judgement.

5/5 The man who knew the fate of DI Bradford鈥檚 wife is found dead.

4/5 The shooting of two men links a slick casino owner to a suffering woman and her rash son.

3/5 Illicit passions lie behind an au pair鈥檚 sleazily staged murder.

2/5 A young boy鈥檚 999 call opens a distressing case for the murder squad.

1/5 Grisly remains reveal year-old sins of student housemates.