About the show

A look at how advances in technology have revolutionised detective work, as seen through a number of high-profile cases. Comprised of key witness testimonies, interviews, reconstructions, and archive footage.


Upcoming episodes

Feb 7th

The Shoe Fetish Killer

Trace of Evil – The Shoe Fetish Killer is the compelling and tragic story of a random attack by a perverted killer, his barbaric murder of a defenceless woman, and how smart police work and a detailed forensic investigation ultimately led to the person responsible.
Feb 8th

The Erie Couty Killer

Trace of Evil: The Erie County Killer is the story of the investigation into Joan Giambra’s murder, how it became linked to a string of other murders and how the miracle of DNA technology and the persistence of a committed detective solved the crime and a miscarriage of justice.
Feb 9th

The Hunt for Brianna Denison

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Feb 10th

Mapping a Murder

On June 29, 2015, Dr. Teresa Sievers, a well-known and loved holistic doctor, was discovered beaten to death with a hammer inside her Bonita Springs, Florida home. Her husband, Mark Sievers, was with her family in Connecticut. Following a huge number of leads, detectives ended up in Illinois where the case began to unfold, with three people eventually arrested for the crime.
Feb 11th

An Unconscionable Murder

On 5th February, 2012, emergency services were called to a fire in Liswerry, South Wales. When firefighters entered the burnt-out flat, they found the charred body of 19-year-old, Nikitta Grender, lying on a bed and immediately suspected foul play. The autopsy confirmed their suspicions - Nikitta had been the victim of an horrific assault, she had been raped and stabbed, killing both her and her unborn daughter, Kelsey-May. The crime left the community and nation reeling.
Feb 12th

Monsterous Murder in Morena

29th February 1992, the body of 84-year-old, Angela Kleinsorge, was discovered sexually assaulted and stabbed to death inside her home in Bay Park, San Diego. The crime rocked the community and a major police manhunt was launched. But, despite a number of strong suspects and solid leads, the case went cold and remained that way for over a quarter of a century.
Feb 12th

The Fridge Killer

In February 1995, Police in Reno, Nevada were called to investigate a suspicious dumpster bin and made a startling discovery, the badly beaten body of a middle-aged female, tied up and wrapped in a sleeping bag. Detectives soon identify the deceased person as 45-year-old, missing school teacher, Kathy Powell. After a detailed investigation, Detectives track down her killer - an ex-cop with an extremely checkered history. As they probe his background further, they uncover horrific crimes that involve numerous victims.
Feb 13th

Deadly Sleep

"On July 19, 2004, Salt Lake City Police received a frantic 911 call from Mark Hacking. His wife, Lori was missing. She had left that morning to go for a jog before work, in the Memory Grove and City Creek Canyon area, but she hadn’t shown up at work and hadn’t returned home. None of her colleagues or friends had heard from her either. Her car was discovered at the park entrance, but after a detailed search of the area, Lori was nowhere to be found. Could she have been abducted?A major investigation was launched with huge media appeals for information. 27-year-old Lori was pregnant and the story gained nationwide attention. However, the suspected abduction investigation was quickly upgraded to a suspected homicide investigation."
Feb 14th

Greens Prairie Murder

December 1981, Police in Brazos County, Texas responded to a 911 call at a rural property in Bryan-College Station. As police moved around to the back of the property, they made a horrifying discovery, the battered body of Virginia Freeman, a well-known and liked real estate agent. Virginia, also known as Ginger, had been showing an unknown client the property at the time of her murder. For locals and the police there was a combination of shock and horror. Why had something like this happened to Virginia Freeman? And why in a quiet area like Bryan-College Station? Despite the best efforts of the local investigators the case went cold, until a revolutionary new forensic technology finally helped detectives make a breakthrough.
Feb 15th

The Zombiecon Shooting

On Oct. 17, 2015 a shooter fired into the crowd of 20,000 attending Zombiecon, a halloween festival held in Downtown Fort Myers, Florida. Numerous people were injured and one person, Expavious Tyrell Taylor, was killed. Fort Myers Police Department (FMPD) were faced with the incredibly challenging task of trying to identify the shooter in a crowd that was dressed as Zombies, many wearing masks and carrying fake, but realistic, looking weapons.