E7 • Watford

E1 • Hull

When a young woman goes missing on Valentine’s Day, detectives turn to a pollen expert, who pieces together fragments of evidence to find her body.

44m • 2018

When a young woman goes missing on Valentine’s Day, detectives turn to a pollen expert, who pieces together fragments of evidence to find her body.

E2 • Dartford

In 1993, 16-year-old Claire Tiltman is found dying by the roadside. Her killer disappears into the night. More than 20 years later, Colin Ash Smith is finally brought to trial. Jurors hear of how he knew Claire, and even went to her funeral.

44m • 2018

In 1993, 16-year-old Claire Tiltman is found dying by the roadside. Her killer disappears into the night. More than 20 years later, Colin Ash Smith is finally brought to trial. Jurors hear of how he knew Claire, and even went to her funeral.

E3 • Dundee

Aged 15, Robbie McIntosh walked into a fish and chip shop to announce that a woman had been killed on the iconic Law Hill. Police revealed the victim had been stabbed dozens of times. But they never imagined that the culprit was the teenager.

43m • 2018

Aged 15, Robbie McIntosh walked into a fish and chip shop to announce that a woman had been killed on the iconic Law Hill. Police revealed the victim had been stabbed dozens of times. But they never imagined that the culprit was the teenager.

E4 • Barnsley

In 2015, a 69-year-old man is found stabbed in his home. At the scene, forensics uncover a receipt from a nearby cashpoint. CCTV at the bank reveals a woman using the victim's card to withdraw cash. Who is she? And how does she relate to the murder?

43m • 2018

In 2015, a 69-year-old man is found stabbed in his home. At the scene, forensics uncover a receipt from a nearby cashpoint. CCTV at the bank reveals a woman using the victim's card to withdraw cash. Who is she? And how does she relate to the murder?

E5 • Pontypridd

In 2014, a woman goes missing after a night drinking in the local pubs. CCTV finds her walking home arm in arm with another drinker. He just happens to be a former butcher. Police soon realise he has put his trade to use by dismembering his victim.

42m • 2018

In 2014, a woman goes missing after a night drinking in the local pubs. CCTV finds her walking home arm in arm with another drinker. He just happens to be a former butcher. Police soon realise he has put his trade to use by dismembering his victim.

E6 • Tamworth

In 1994, a gang kill a woman who manages a building society and tie up her husband, before robbing the building society of large sums of cash. But despite making a tearful plea for help, the injured husband’s story doesn’t tally.

43m • 2018

In 1994, a gang kill a woman who manages a building society and tie up her husband, before robbing the building society of large sums of cash. But despite making a tearful plea for help, the injured husband’s story doesn’t tally.

E7 • Watford

In 2000, a young woman is stabbed to death while walking her dog in a picturesque park in the town. A suspect is seen running semi-naked across the M1 motorway. It takes detectives weeks to identify the killer as a local man called Leon Amos.

42m • 2018

In 2000, a young woman is stabbed to death while walking her dog in a picturesque park in the town. A suspect is seen running semi-naked across the M1 motorway. It takes detectives weeks to identify the killer as a local man called Leon Amos.

E8 • Huddersfield

In 2014 a sex offender called Robert Hind goes missing from a bail hostel. Cops fear he’s absconded to commit crime. The town is scoured. But then the cops learn that the sex offender hasn’t absconded - he’s been murdered.

43m • 2018

In 2014 a sex offender called Robert Hind goes missing from a bail hostel. Cops fear he’s absconded to commit crime. The town is scoured. But then the cops learn that the sex offender hasn’t absconded - he’s been murdered.

E9 • Sunderland

Throughout the early '90s young boys would be found dead after sniffing glue and being trapped in derelict buildings which caught fire. Cops soon found they were actually being systematically murdered by a man called Steven Grieveson.

44m • 2018

Throughout the early '90s young boys would be found dead after sniffing glue and being trapped in derelict buildings which caught fire. Cops soon found they were actually being systematically murdered by a man called Steven Grieveson.

E10 • Brighton

In 2015 a man visits a tarot card reader. Within an hour she’s dealt out the death card and he’s confessed to a murder. When cops arrive they discover he’s been living at home with his victim’s body for days.

42m • 2018

In 2015 a man visits a tarot card reader. Within an hour she’s dealt out the death card and he’s confessed to a murder. When cops arrive they discover he’s been living at home with his victim’s body for days.