The city of Atlanta is shaken by the fear of the Necktie Killer. Detectives piece together correlative clues and distinctive apparel left behind at each crime scene. S2/Ep8
A man is murdered by someone wearing a clown mask. When more people are killed by the same deranged clown, police realise that a serial killer is on the loose. S2/Ep7
Within a month, four men in Orange County are brutally stabbed by a mysterious man. Are the killings connected to a double murder that occurred months earlier? S2/Ep2
When a local college student doesn't return home from her morning run, her friends are quick to contact the police. Has a local stalker become a killer? S1/Ep6
When a woman is found brutally murdered in her home, a local troublemaker is a suspect. But when more bodies are discovered, police fear a serial killer is at large. S1/Ep5
A woman is found murdered on the Appalachian Trail and her husband is missing. As more bodies disappear, is a deadly predator stalking the woods? S1/Ep4
When firefighters are called to a blazing truck, they find the bullet-ridden bodies of Robert and Dorothy Pape in the house. Police then make a shocking discovery. S1/Ep3
When two bodies are found inside a burning building and the third flatmate is missing, police aren't sure if they're searching for the killer or another victim. S1/Ep2
When a pair of murders are linked by mysterious note puzzles, police scramble to stop a nascent serial killer. But nothing will stand in this murderer's way. S1/Ep1