Season 1

In 1984, over 12 days, several brutal attacks took place in Colorado. An unknown man striking randomly and using a hammer to bludgeon his victims. And the attacker was escalating quickly. Sadly, the cases would go gold for de...

Panic sets in when a young woman can't contact her college roommate after a night out. When she returns home, the student uncovers a grizzly scene. With no viable suspects or leads, the case grows cold. But 9 years later, …

In 1993, the body of a 4-year-old boy was found in a sleepy town. Detectives and residents believed the killer to be someone outside of the community. But as the investigation continues, a killer comes into focus. And it's su...

In 1988, Kansas City police received a strange call about a nude man running through a neighborhood. The victim claimed to have been kidnapped, drugged, tortured, and sexually assaulted inside a house of horrors. And when inv...

In 1988, Kansas City police received a strange call about a nude man running through a neighborhood. The victim claimed to have been kidnapped, drugged, tortured, and sexually assaulted inside a house of horrors. And when inv...

When a 13-year-old girl is found violently stabbed to death in a wooded area, Florida detectives act fast. Using local home security footage, investigators can track the girl's movement on the night of her death. And a classm...

A nun is found dead inside an Armarillo convent in 1981. As detectives investigate, they discover signs of foul play. And when a witness puts a suspect at the scene of the crime, the police believe they have their killer. …

In 2004, on Halloween night, two women were brutally murdered inside their own home. The police chased down several leads, but most turned up empty. A close friend of the victims pleaded for information. But the killer was cl...

A man returns home on Halloween night to find his pregnant wife brutally attacked. The investigation points to a single suspect who shared a tragic past with the victim. And two families would never be the same. Join Olivia C...

In 1973, a 9-year-old girl in Wisconsin was out trick-or-treating, not knowing that she was about to knock on her last door. Police would catch the killer. But the girl's family would fight to keep him behind bars. Join Olivi...

In 2010, a young man returns home on a Halloween morning to discover his family murdered. But who would want to harm them? As the police investigate, a suspect with a history of mental illness comes into focus. And their …

When authorities find the lifeless body of a teenage girl hanging from a tree, they believe it's a standard suicide. But as they investigate further, detectives learn the girl was not alone at the time of her death. And that …

Between 1993 and 1994, a serial killer hunted the streets of Charleston, SC. Women were being strangled and left dead in their homes. The police struggled to find leads. And the community was on edge. But when one common name...

Between 1993 and 1994, a serial killer hunted the streets of Charleston, SC. Women were being strangled and left dead in their homes. The police struggled to find leads. And the community was on edge. Join Olivia Cornu and Jo...

In a small Texas town, two teenagers begin a seemingly harmless fling. But when the girl's parents express concern, young love turns deadly. And an entire family will pay the price. Join Olivia Cornu and John Conner as they d...

While out on a date, a married couple is approached by an intoxicated man. What starts as an argument over tattoos turns deadly with a single punch. Join Olivia Cornu and John Conner as they dive deep into the dark …

In 1997, young women in Texas began disappearing. At first, the police didn’t know the cases were related. But when a victim survived her encounter with the killer, police zeroed in on a suspect with a violent past. Join Oliv...

When a hairstylist in Florida fails to pick up her kids, the family is immediately concerned. As detectives track down leads, a suspect comes into focus. And her past is filled with secrets and crime. Join Olivia Cornu and Jo...

A young woman visits the home of one of her Snapchat subscribers, only to meet a violent end. But when a suspect is apprehended, two different versions of events are presented. And as investigators look into their suspect's p...

A woman is concerned when her friend fails to attend their weekly exercise class. And after texting with her oldest child, the worry only grows. Police conduct a wellness check, and their worst nightmare comes true. And what ...

Residents of a Texas marina are shocked when they find a woman hung from the docks. Police initially suspect a suicide. But as their investigation continues, they learn that things aren't always as they appear. Join John Conn...

When a military veteran decides to look for a roommate, she thinks she's found the perfect one. But as their friendship grows, so do unrequited feelings. And this roommate isn't who he claims to be. Join Olivia Cornu and John...

When a running car is found empty and riddled with bullet holes on a California highway, the police immediately begin looking for the driver. As detectives investigate, they start down a path they are not expecting. And the h...

When a police officer finds a piece of bloody clothing on his property, he is immediately suspicious. Investigators can tie the clothing to a missing high school student and a mysterious man she met at a local fair. But will …