Surrey police investigate the case of missing pensioner, 82 year old Bill Williamson. Bill was a retired postman who was enjoying his retirement in the village of Milford when he vanished in 2010. Bill was a widower with no children who had recently moved in with his companion Anne. He was well known in Milford village and had a circle of close friends. Police enquiries suggested that had Bill taken a trip to Ireland but was there more sinister reason behind his disappearance? Investigators were in for a shock when the truth about Bill’s killing eventually came to light and his whereabouts finally revealed.

The discovery of a badly burned body of a woman by a river in the Suffolk Countryside set the police on the hunt for a twisted killer. But who had murdered 37 year old Dawn Walker and why? Police traced Dawn’s last movements and looked into her life. They discovered a woman with a passion for the outdoors and sport, who spent all her spare time at the gym. Detectives investigated the last confirmed sighting of her on CCTV at the gym and interviewed people who knew her. Was her killer someone known to Dawn or was a complete stranger responsible for her gruesome death?

The brutal double murder of pensioners Rosemary Windle and Maurece Smith shocked the seaside community of Torquay where they lived. Rosemary and Maurece were a well-liked couple who enjoyed their garden, holidays abroad, socialising and fine wine, so who could have had a motive to kill them? The investigation focussed on those who had spoken to Rosemary and Maurece in the days leading up to their deaths, in the hope that it would produce a lead as to the identity of their killer. The police were soon on the trail of a suspect, but would this person evade capture before they could even be questioned?

Brighton resident Jane Longhurst had a full time job as a teacher, loved music and playing the viola, and was in a stable relationship, so her disappearance in 15 March 2003 was completely out of character. Sussex Police launched a huge investigation to try and find out what happened to Jane and a huge media campaign ensued. But the worst fears of friends and family were realised when the body of a woman was found 5 weeks later. Where had Jane been during those missing weeks and who had killed her? The truth of what happened to Jane would prove darker and more twisted than anyone feared.

Former fashion model and choreographer André Nunes had everything to live for, so his disappearance in September 2005 was completely out of character. André's family were worried by the fact that the door on his flat appeared to have been forced opened and that his disappearance bore all the hallmarks of a kidnapping. The police investigation centred on the estate where he lived in Birmingham but detectives encountered frightened witnesses who were too afraid to talk. What terrible secret were they hiding and where was André now? The sinister truth of what happened to him was darker than anyone feared and the key to this mysterious case appeared to lie in the Worcestershire village of Alvechurch. The story of Andre Nunes who was kidnapped and murdered in a case of probable mistaken identity then buried on a property in Alvechurch near Birmingham.

20 year old Sophie Lancaster and her boyfriend were attacked in a park in the Lancashire town of Bacup in August 2007 and left for dead. The victims were immediately rushed to hospital in a critical condition, their life hanging in the balance. The police immediately launched an investigation and set about tracing everyone who was in the park that night but soon encountered frightened young people too afraid to talk. While Sophie’s boyfriend survived this terrible ordeal, Sophie sadly died and the police were now hunting for a murderer. Sophie and her boyfriend were Goths who stood out from the crowd. Could something as simple as their different appearance be a motive for murder and would the police catch whoever committed this brutal crime?

A moving look at the murder of Natalie Jarvis, the 24-year-old who was stabbed to death by her boyfriend in the village of Swanley, Kent, in October 2012.

A look at the murder of 90-year-old Mabel Leyshon, who was stabbed to death at her home in Anglesey in 2001.

In October 2004, devoted mother of two Rachel O'Reilly failed to pick up her young children from school in Naul, North County Dublin. Minutes later, Rachel's mother Rose found her daughter lying dead in the bedroom of her home.

Explores the tragic murders of Derek and Eileen Severs, who were found dead after disappearing from their home in Rutland in 1993.

The murder of 57-year-old Ella Douglas whose body was found 10 months after she disappeared from her hometown of Dumfries in 2000.

Explores the tragic death of church organist Alan Greaves who was attacked as he walked to Midnight Mass in High Green, Sheffield in 2012.

Documentary exploring the murder of much-loved 63- year-old Alethea Taylor who mysteriously vanished from her village of Orleton in Herefordshire in 2012.

Detailing the murder of Steven Murphy in Fakenham 2009, that proved difficult to solve because of no forensic evidence.

The tragic account of Carol Croydon, who killed her husband Philip in an East Midlands Airport hotel before trying to disguise his death as a sex session that went wrong. Presented by Phil Davis.

The investigation into the brutal 1966 murder of Yolande Waddington, which led to the first ever mass blood screening used in the course of an investigation.

The investigation into a brutal double murder and the ensuing manhunt for the killer took police all over the country. It involved three months of playing cat and mouse with police, a sensational escape and a hostage situation. It was a case that the police and people of Morecombe would never, ever, forget.

The story of the investigation into the murder of 16-year-old Leanne Tiernan, who failed to return home from a shopping trip in Leeds in November 2000.

Interviews with those involved and dramatic reconstruction combine to tell the story of a horrific crime committed in a seemingly tranquil British town.

The story of Mitesh Patel from Middlesbrough, who presented himself as a mild-mannered family man. But behind closed doors his wife paid the final price for his violent outbursts.

The story of taxi driver Ben Lacomba, who was convicted for the brutal murder of his ex-partner Sarah Wellgreen in Kent even though her body was never found.

The story of David Ryan, who cheated his lover, Diana Lee in Cheshire out of £60,000 before bludgeoning her to death and mutilating her body to cover his tracks.

The story of the senseless killing of 83-year-old Peter Wrighton, who was targeted by Alexander Palmer while out walking his dog in 2017.

The story of 22-year-old Emma Baum, who was savagely battered to death by her ex-boyfriend David Davies in a row over access to their child.