How I Caught The Killer

51 Days of Fear - Howell Donaldson III: The Tampa area of Seminole Heights is gripped by terror after shootings claim the lives of four innocent victims. (S4, ep 1)

51 Days of Fear - Howell Donaldson III: The Tampa area of Seminole Heights is gripped by terror after shootings claim the lives of four innocent victims. (S4, ep 1)

Parkinson / Blakeley - The Shallow Grave: 17-year-old Jayden Parkinson killed by her abusive boyfriend, Ben Blakeley, who then buried her in his uncle's grave.

Parkinson / Blakeley - The Shallow Grave: 17-year-old Jayden Parkinson killed by her abusive boyfriend, Ben Blakeley, who then buried her in his uncle's grave.

The Widower - Malcolm Webster: 17 years after his wife died in a car accident, Malcolm Webster became the focus of Scotland's longest ever criminal trial. (S4, ep 6)

The Widower - Malcolm Webster: 17 years after his wife died in a car accident, Malcolm Webster became the focus of Scotland's longest ever criminal trial. (S4, ep 6)

Mann - Deadly Deceit: The chilling story of Wendy Mann, whose life was taken in a jealous frenzy by her ex-partner and the father of her three children in 2015.

Mann - Deadly Deceit: The chilling story of Wendy Mann, whose life was taken in a jealous frenzy by her ex-partner and the father of her three children in 2015.

Tears of a Clown - Gordon Wardell: After Gordon Wardell makes an emotional appeal to find his wife's killers, police soon realise they must look closer to home. (S4, ep 2)

Tears of a Clown - Gordon Wardell: After Gordon Wardell makes an emotional appeal to find his wife's killers, police soon realise they must look closer to home. (S4, ep 2)

Masud - Unrequited Love: After ending her relationship, 15-year-old Maleha Masud pays the ultimate price when her ex-boyfriend starts a lethal blaze at her home. (S3, ep 5)

Masud - Unrequited Love: After ending her relationship, 15-year-old Maleha Masud pays the ultimate price when her ex-boyfriend starts a lethal blaze at her home. (S3, ep 5)

Opportunity For Riches - Steven Sidebottom: Initially deemed accidental, handyman Brian McKandie's death was soon considered murder due to his severe injuries. (S4, ep 3)

Opportunity For Riches - Steven Sidebottom: Initially deemed accidental, handyman Brian McKandie's death was soon considered murder due to his severe injuries. (S4, ep 3)

Sievers - A Murder for Hire: Documentary lifting the lid on police investigations into some of the most incredible murder cases in criminal history. (S3, ep 6)

Sievers - A Murder for Hire: Documentary lifting the lid on police investigations into some of the most incredible murder cases in criminal history. (S3, ep 6)

The Highway Hunter - Adam Leroy Lane: When police find the body of Monica Massaro in her home with 17 stab wounds, they're led to serial killer Adam Leroy Lane. (S4, ep 4)