Episode 1
When a former escort hires a hitman to kill her husband, she thinks she's committed the perfect crime. Little does she know police are recording her every move.
Episode 2
A man's obsession with a web-cam model leads to the brutal murders of an innocent family.
Episode 3
At the site of a fiery car crash, police discover the body of a young woman. Investigators quickly realise this is no accident but a cold-blooded murder plot.
Episode 4
A college student disappears at the start of his freshman year without a trace. When police question his best friend, they uncover a love triangle gone wrong.
Episode 5
A mother claims not to know how her children died. An investigation reveals the tragedy isn't an accident but a carefully crafted killing by a vengeful psychopath.
Episode 6
A young woman reports a brutal home invasion and the shooting of her mother and father. But when police interview her, they uncover an elaborate web of lies.
Episode 7
A robber who feels compelled to turn himself in, calls 911. But when officers arrive at the scene, he confesses to much more than breaking and entering.
Episode 8
When a student goes missing, the family he's staying with contact police. Then, a horrific discovery forces investigators to face a diabolical monster.
Episode 9
A gunman shoots a young man and woman on their way home from work. Detectives learn that this is no random attack but the twisted plan of a psychopathic stalker.
Episode 10
A 17-year-old steals a gun and murders two gas station attendants in cold blood. When officers catch up with him, they come face-to-face with a psychopath.
Episode 11
When a man snaps, he goes on a furious rampage that leaves three women dead in their homes. Police hunt for the misogynistic psychopath hell-bent on revenge.
Episode 12
A nurse confesses to helping end the lives of numerous elderly patients. But detectives soon discover she is no angel of mercy, but a ruthless psychopath.
Episode 13
A woman is brutally murdered in her home. When the police interrogate the prime suspect, they quickly realise they've come face-to-face with a deranged psychopath.
Episode 14
When police arrive on the scene of a brutal murder, the culprit appears calm as he stands next to his girlfriend's body and reveals there are more victims.
Episode 15
Police find a father of two dead in his home with over 15 gunshot wounds. They question the family, but one person is missing, his mother-in-law.
Episode 16
When a mutilated body turns up at the bottom of a ravine, police encounter an undetected serial killer who confesses to butchering eight women over a decade.
Episode 17
When DNA advances lead to the arrest of "Tourniquet Killer", he confesses to multiple murders. Weeks before his execution, he grants one interview.
Episode 18
When a woman reports her boyfriend as missing, evidence leads investigators to the couple's roommate, a manipulative psychopath hell-bent on revenge.
Episode 19
When a man crashes into a woman's vehicle, officers on the scene find her car abandoned. As police delve deeper, they uncover a sadistic psychopath.
Episode 20
A failed actor takes his anger out on four innocent people. The interrogation room becomes the stage for this killer's final performance.