S1/EP6 A woman named Ashley Mae Roybal comes forward with information about an unsolved homicide in New Mexico. Parents Lloyd and Dixie Ortiz, along with their son, Steven Ortiz, were brutally killed at their home. Roybal claims she knows who carried out the brutal killing.

S1/EP6 A beloved couple and their special needs son, Lloyd and Dixie Ortiz and Steven Ortiz, are savagely murdered in rural New Mexico, leading detectives to uncover long buried secrets in a tight-knit town. Who could have wanted the family of three dead, and was the killer closer to home than detectives theorized?

S1/EP5 While detectives track down leads, the autopsy report of 19-year-old college student Missy Grubaugh comes in. Her apartment had been set ablaze, but the report reveals it was not the fire that killed her. Grubaugh had been fatally stabbed int he chest, damaging her left lung and causing massive internal bleeding.

S1/EP5 When trusting, young 19-year-old college student Missy Grubaugh is viciously murdered and her apartment set ablaze, police untangle a web of relationships to find a killer who’s dangerously close to home.

S1/EP4 Genore Guillory had become very close to her neighbors, the young Skipper family, and had taken them under her wing when they struggled to make ends meet. Guillory had even named the Skippers as the beneficiaries of her $25,000 life insurance policy.

S1/EP4 Police in small town Louisiana investigate the mysterious and brutal murder of beloved neighbor, Genore Guillory, with no known enemies. Who could have wanted her dead, and was her killer more close to home than investigators thought?

S1/EP3 Three months after mother Frances Craig is murdered, forensic evidence from the crime scene comes back from the lab. On zip ties used to restrain Craig in the execution of the murder, they found a DNA sample that matched a felon by the name of Cortez Butler.

S1/EP3 When suburban mom Frances Craig is murdered in her own home in 2014, investigators chase down an elusive killer that no one saw coming.

S1/EP2 Capt. Zim Schwartze of the Columbia Police Department recalls arriving at the crime scene of University of Missouri student Jesse Valencia's murder. Valencia's body was found lying face up between two apartments near campus. He was wearing only boxer shorts, and his throat had been slit.

S1/EP2 When popular University of Missouri student Jesse Valencia is found slain in the middle of campus, police suspect his friends and lovers might be involved. Could one of his lovers, a local police officer, somehow be connected to the case?

S1/EP1 While investigating the brutal 1984 double homicide of Maryland couple Bob and Kay Swartz, authorities come across they believe could make a break in the case — a bloody palm print on the sliding class door of the home. Autopsy results show that Kay had been stabbed seven times around her neck, and that her skull had been cracked open with a splitting maul. Ray had been stabbed 17 times, and both his right and left carotid arteries were severed.

S1/EP1 Police investigating the 1984 murder of a devoutly religious couple, Bob and Kay Swartz, uncover dark family secrets, leading them to a suspect that shocks everyone. Who could have wanted them dead, and was one of their own children to blame?

The series takes a deep dive into homicide investigations through captivating interviews with potential suspects, in-depth examinations of the crime scene and re-enactments. Viewers follow experienced homicide investigators who believe they are inches away from solving the case, until they come across something unanticipated.