KTV

Documentary following the work of Britain's police dogs in real operations, sniffing out everything from drugs and weapons to counterfeit money. Ken Stott narrates.

A look at the clever new methods the police and public are using to catch criminals.

A look at the clever new methods the police and public are using to catch criminals.

A look at the clever new methods the police and public are using to catch criminals.

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.

Who was the killer dubbed 'The Man In Black'? This is a look at the murderer who took the lives of four innocent men 'for fun'.

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

A woman dies in an apparently accidental house fire, but one police officer spots signs that something more sinister is at play.

A profile of serial killer Donald Henry Gaskins who murdered more than a dozen people in South Carolina in the 1970s before being apprehended.

Let Him Have It!: Found guilty of shooting a PC during a burglary in 1952, Derek Bentley hanged for murder. His execution would help to change the law.

The Straight A Killer: Indulging himself and his girlfriend in unaffordable luxury, Brian Blackwell killed his parents before another spending spree.

Two months after 22-year-old Ffion Wyn Roberts' body is found in a ditch, evidence leads detectives to a local man - and he has history.

The Grim Sleeper: The story of the brutal Los Angeles serial killer. Nine innocent women and a teenage girl lost their lives at his hands.

The Head on the Beach Murder: When body parts wash up on a beach in Arbroath, forensic investigators must unravel the disturbing truth behind a woman's death.

Barry sparked Britain's largest manhunt, murdering police officers and civilians. The terror ended when he turned the gun on himself rather than face justice.

Twenty-year-old Tashan Daniel was waiting for a train to take him to a football match when a fateful encounter on the platform changed everything.

A former FBI agent details his interviews with Ed Kemper, a vicious murderer whose victims included his own mother. Graphic violence and distressing scenes.

The story of the Austrian serial killer Jack Unterweger, who was heralded as an example of successful rehabilitation, only for him to kill again.