How I Caught the Killer - Episode Guide

Officers investigate the murder of Christoper Donovan by a gang of youths.

After going missing for a year and a half, many believed 14-year-old Chyenne had run away from home. However, closer analysis revealed the tragic truth.

After finding her dead in a bathtub full of bleach, detectives narrowed down Susan Eyre's killer from 210,000 possible suspects.

After a badly decomposed body is found in a suitcase by a railway embankment in Exeter, police hunt for the killer with only CCTV evidence to go on.

How detective David Baker became the first person to use DNA profiling in a criminal investigation, when looking for the killer of two young girls in 1986.

How the investigation into Phillip Inhofer at his home in Sacremento led police to a 20-year-old call girl known as Bat Girl.

How police used CCTV, eyewitness statements and a public appeal to find the killer of a 28-year-old woman, found dead on Nottingham's streets.

In 2002, police made a starling discovery inside a locked room in Anthony Hardy's home. This was merely a horrifying prelude for what was to come.

With no CCTV and no witnesses, detective Jon Buehler must find the person responsible for a drive-by shooting of "gentle giant" Sula Palega.

In 1981, detective Mike Southwell investigated a missing persons case that contained one of the grimmest discoveries in British police history.

DNA left on a cigarette butt leads investigators to the brutal killer of 84 year-old gun enthusiast Kenneth Speakman.

Police painstakingly trawl through hours of CCTV footage, location data and forensic evidence to find the brutal killer of a heavily pregnant woman.

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

The documentary series reveals how a computer at Vogue magazine held the key to identifying Julie Clayton, an ex-cult member who had been assaulted and murdered upon leaving.

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.

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

The FBI investigates when a seemingly perfect husband flees the United States following the murder of his wife and three children.

Two women are killed in the 70s and their cases go cold for over 30 years, until a chilling link between the two emerges.

Detectives look back on the case of Elijah Butler, murdered four days after he married his wife - by her long-term stalker.

Detectives reflect on how they gathered evidence to charge Melanie McGuire with murder when her husband's remains were found in multiple suitcases.

Shock pours through a community when a devoted mother is fatally attacked with a machete on her way to pick up her children.

The story of Garry Malone, who brutally bludgeoned his wife to death before making a bogus TV appeal for her to come home.

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

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.

After ending her relationship, 15-year-old Maleha Masud pays the ultimate price when her ex-boyfriend starts a lethal blaze at her home.

Documentary lifting the lid on police investigations into some of the most incredible murder cases in criminal history.

Documentary lifting the lid on police investigations into some of the most incredible murder cases in criminal history. 

Documentary lifting the lid on police investigations into some of the most incredible murder cases in criminal history. 

Documentary lifting the lid on police investigations into some of the most incredible murder cases in criminal history. 

Documentary lifting the lid on police investigations into some of the most incredible murder cases in criminal history.

Examining how Howell Donaldson III terrorised a neighbourhood in Tampa, Florida in 2017, killing four random strangers.

After Gordon Wardell makes an emotional appeal to find his wife's killers, police soon realise they must look closer to home.

Investigating the murder of Brian McKandie. Initially deemed accidental, the handyman's death was soon considered murder due to his severe injuries.

When police find the body of Monica Massaro in her home with 17 stab wounds, they're led to serial killer Adam Leroy Lane.

When Lanell Barsock is found dead, evidence points to her boyfriend before detectives focus their investigation on best friend Larene Austin.

Seventeen years after his wife died in a car accident, Malcolm Webster became the focus of Scotland's longest ever criminal trial.

Documentary studies of police investigations into some of the most incredible and inconceivable murder cases in criminal history.

When elite racer Anna Wilson was shot and killed, police launched a manhunt to Costa Rica in search of Kaitlin Armstrong.

Documentary studies of police investigations into some of the most incredible and inconceivable murder cases in criminal history.

How Douglas Ward savagely beat and murdered Niall Dorr in 2010 in Dundalk, Ireland.