One Deadly Mistake

Season 1

Each episode of “One Deadly Mistake” follows a homicide investigation where police work tirelessly against the clock to solve a complex case, until they discover an unlikely piece of evidence that exposes the identity of the killer.

Where to Watch Season 1

8 Episodes

Out of the Darkness
E1
Episode 1Out of the DarknessKathy Blair is found stabbed to death in her bedroom in Texas; the gruesome crime scene puzzles investigators until an unlikely clue that is captured in the darkness puts them on the trail of a depraved killer.
Pattern of Violence
E2
Episode 2Pattern of ViolenceA brutal murder of a college student in Vincennes, Indiana, may go unsolved until a second crime puts detectives on the heels of a serial killer. As the investigation deepens, police turn to the killer's shocking pattern of violence for clues.
The Buried Truth
E3
Episode 3The Buried TruthAfter the battered body of a young woman is found dumped at a landfill in Lubbock, Texas detectives race to collect evidence hidden in acres of trash. The elusive killer's attempt to bury the truth might hold the key to unlocking the mystery.
A Deal with The Devil
E4
Episode 4A Deal with The DevilInvestigators in Prince George’s County, Maryland are chasing the shadow of a brutal killer who is targeting mothers and daughters. The investigation brings them face to face with a predator, unlike anything they have encountered before.
Hidden In Plain Sight
E5
Episode 5Hidden In Plain SightWhen a free-spirited young woman is found murdered in her kitchen, police in Chicopee, Mass., have no shortage of suspects; detectives realize the clue that leads to her killer is actually hidden in plain sight.
The Ties That Bind
E6
Episode 6The Ties That BindWhen a single mother's car is found abandoned on a lone stretch of highway in Illinois, detectives are forced to turn to forensic evidence to piece together the secrets of her disappearance uncovering a dark obsession and a deeply personal motive.
The Silent Witness
E7
Episode 7The Silent WitnessDetectives in Florida are working to identify the body of a young woman found floating in a river. The sheer brutality of the murder and endless pool of potential suspects leaves investigators puzzled until they uncover a silent witness to the crime.
The Unusual Suspect
E8
Episode 8The Unusual SuspectPetty Officer Amanda Snell is found dead in her room on the base; NCIS is split as to whether her death was an accident or foul play; her killer's insatiable quest for his next victim brings the shocking truth to light.