With a thirst for blood and an obsession with knives, Michael Clarke believed it was his destiny to be a killer, and his parents became the victims

The execution-style murder of two young women, discovered by the authorities after a mother called the police about her missing daughter

Colin Sutton details the investigation into a long-running feud between neighbours that took a deadly turn

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand.

Documentary following the men and women who help keep motorists safe on some of the most perilous highways and byways of New Zealand.

Officers attempt to maintain control of crowds at football matches

Roma and Ronnie are shocked when a driver in Slough, Berkshire, records the highest reading they have ever seen in a breathalyser test, and Chris captures an innovative supermarket thief. The Liverpool Air Support Unit uses heat-sensing cameras to track down a criminal who has taken refuge underneath Blackpool pier

An accident on an icy road forces traffic officers to take drastic action, and police also investigate the cause of a two-car collision on a roundabout

Two shop owners are subjected to a torrent of racist abuse by drunken men, and a pub landlord's son rushes into the premises when the burglar alarm goes off

Dominic Littlewood presents the stories of a student who intervened to stop a thief getting away and a crook who stole a large TV, but only brought a small getaway car

How, when money mysteriously went missing from a performing arts school, staff and pupils started to suspect each other. Plus, the TV journalist who investigated a crime story very close to home, suspecting a carer was stealing from his own mother. Presented by Dominic Littlewood

Focusing on the work of the City of London police as they tackle crime on the streets of the capital

A profile of Lancashire-born double-killer Andrew Dawson, who branded himself the 'Angel of Mercy' after murdering two neighbours in their Derby flats in 2010

After Pennie Davis' body was found in 2014, police pieced together her movements before a story unravelled of a deadly grudge and a hired hitman

When 13-year-old Lucy is reported missing by her mother, police and forensic investigators begin the painstaking search for the truth

After Jarrae Estepp's body was found at a recycling centre, police discovered that her murderer, Steven Dean Gordon, had killed before

Fred Dinenage examines the case of John Christie, who murdered six women between 1943 and 1953 and hid their bodies in his house at 10 Rillington Place in Notting Hill, London

Crime documentary investigating cases of couples murdered by their own children. The first episode focuses on Stephen Seddon, who tried to kill his parents in a fake crash, but was then hailed as a hero for saving them. But his evil intentions hadn't got him anywhere

The tragic story of doting mother Kerry Owen, who simply wanted a loving relationship - but fell into one tarnished by abuse