Two women in their 70s are killed and their cases go cold for more than 30 years - until a chilling link between the two emerges

A look at the crimes of Ian McLoughlin and how, in 2013, Graham Buck rushed to save his neighbour from attack. Instead, he was murdered by Ian. A manhunt revealed he had killed three times

An investigation into the motivations of Harold Shipman, one of the most prolific serial killers in history, with an estimated victim count of 250

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

Documentary following officers of the New Zealand highway patrol as they pull over motorists for a variety of suspected offences

Documentary series from New Zealand following the madness and mayhem faced by intrepid officers as they pull over motorists for a variety of suspected offences.

Police officers raid a massive cannabis factory holding 650 separate plants capable of producing £25,000 worth of the drug a week, while cops chase two burglars in Ascot, Berkshire

Police face a tough task to free a fragile driver. Traffic cops seize a car being driven with no insurance or licence and a major crash forces the closure of the road for nearly six hours

Three burglars think they have struck it lucky when they see an unguarded safe, while a robber gets a shock when a friendly shopkeeper turns out to be a martial arts expert

A slippery burglar becomes the poster boy in a 'catch-a-thief' campaign, and a man struggles to steal a portrait that is bigger than he is. Dominic Littlewood presents

Police use state-of-the-art video analysis to uncover the identity of an armed robber and there is footage of a large pane of glass landing on an incompetent thief

The City of London Police tackle crime on the streets of the capital, focusing on the theft of motorbikes

The crimes of Christopher Halliwell, the convicted double-murderer responsible for taking the lives of Becky Godden-Edwards in 2007 and Sian O'Callaghan in 2011

Police had little to go on after Clair Ablewhite was found stabbed to death but a neighbour's crucial CCTV breakthrough led to an arrest

When the body of a 16-year-old girl is found in a field, it would take over two decades before a DNA profile of the killer can be developed

The crimes of serial killer Richard Biegenwald, who killed at least six people over a 25-year period as he sought out ever more violent and inventive ways of dealing death

Fred Dinenage investigates the murders committed in 1940s London by John George Haigh, who dissolved his victims' bodies in concentrated sulphuric acid before selling their possessions. He was convicted of the murders of six people, though he had pleaded insanity and claimed to have killed nine

The crimes of Philip Austin, who murdered his wife, two children and two dogs on one single, terrifying day

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