When body parts wash up on a beach in Arbroath, forensic investigators must unravel the disturbing truth behind a woman's death

The shocking story of a devoted mother killed in a machete attack on the way to pick up her children

After hosting a barbecue, two people were shot dead in their driveway - but the identity of the killer was even more shocking

A profile of the cold-blooded killer John Sweeney, nicknamed the Canal Killer due to the places he dumped the body parts of his victims

Police officers in west Wales deal with violent drunks and drug dealers, as well as a dangerous domestic incident

Documentary following members of the New Zealand highway patrol as they witness the best and worst behaviour on the nation's busiest motorway

Documentary following members of the New Zealand highway patrol as they witness the best and worst behaviour on the nation's busiest motorway

Elite officers Rosie and Darren carry out a manhunt through the gardens of an upmarket estate, while Chris and Simon come face to face with a notorious drug addict in Milton Keynes

Traffic officers are called out to help a motorist stranded in freezing conditions, and a driver is caught red-handed using her mobile phone behind the wheel

A blind man uses an electronic eye to see what his own cannot, and a clumsy crook manages to cut his hand badly. Presented by Dom Littlewood

A neighbourly dispute gets out of hand, a shop worker fears for his life when two violent men burst in, and a thief goes into a pet shop and steals a puppy

Two burglars break into a house but get more than they bargain for. A man steals a computer tablet but gets rumbled by a pawnbroker, and a robber suffers a wardrobe malfunction

Documentary series charting the exploits of the City of London police, charged with safeguarding the Square Mile at the heart of the crime-ridden capital, focusing on steps to tackle credit card fraud

A profile of serial killer Dale Cregan, who was sentenced to life in prison after the senseless murders of two men and two police officers in 2012

In 2022, the body of Frankie Fitzgerald was found and soon after details emerged of a toxic relationship and a serial killer obsession

Experts analyse sand found in a car after a man goes missing, leading them to a body and a twisted murder case

When police in Colorado interrogated Richard Paul White about the murder of his friend, he began confessing to even more horrifying crimes

Fred Dinenage examines the crimes of Brides in the Bath murderer and bigamist George Joseph Smith, who drowned his three wives between 1912 and 1914

In 2016, mother-of-four Saima Khan was stabbed 68 times while her children slept upstairs. Sabah Khan played the role of the grieving sister, but in truth she was spinning a web of deceit as she had murdered her own sister in a pre-meditated attack

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