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10 Episodes 2020 - 2020
Episode 1
DNA left on a cigarette butt leads investigators to the brutal killer of 84 year-old gun enthusiast Kenneth Searman.
Episode 2
Police painstakingly trawl through hours of CCTV footage, location data and forensic evidence to find the brutal killer of a heavily pregnant woman

Episode 3
An unlikely informant holds the key to justice when 59-year-old antique dealer Michael Griffiths is targeted and brutally killed in his home.

Episode 4
A computer at Vogue magazine held the key to identifying Julie Clayton, an ex-cult member who'd been assaulted and murdered upon leaving.

Episode 5
It took 18 years to identify Melissa Halstead after her torso was found in a Rotterdam canal. But detectives never stopped working to catch her killer.

Episode 6
A seemingly ordinary man named Vincent Brothers is the prime suspect when his wife, three young children and mother-in-law are brutally killed after church.

Episode 7
After the bodies of a women and three children are found at the cost of Oregon, FBI launches an extensive investigations. When the husband Christian Longo flees the United States, the case turns into an international manhunt.

Episode 8
Two women are killed in the 70s and their cases go cold for over 30 years, until a chilling link between the two emerges.
Episode 9
Detectives look back on the case of Elijah Butler, murdered four days after he married his wife - by her long-term stalker.
Episode 10
Detectives reflect on how they gathered evidence to charge Melanie McGuire with murder when her husband's remains were found in multiple suitcases.
