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Season 1

  • S01E01 Rifkin on Rifkin: Private Confessions of a Serial Killer

    • April 10, 2021

    Through newly revealed interviews from Attica Correctional Facility, New York’s most prolific serial killer, Joel Rifkin, reveals exclusive insights into the mind of a monster.

  • S01E02 Snapped - Susan Monica

    • April 11, 2021

    While investigating a missing Oregon handyman, police stumble upon human remains and are left searching a stunning crime scene straight out of a horror movie.

  • S01E03 Catching a Serial Killer: Bruce McArthur

    • April 11, 2021
    • Oxygen

    Bruce McArthur was many things: friend, grandfather, mall Santa, landscaper, and a ruthless serial killer who buried his victims’ body parts in the yards of his posh clientele. unravels the twists and turns of the shocking investigation into Toronto’s most prolific serial killer.

  • S01E04 Mark of a Serial Killer - The I-40 Killer

    • April 12, 2021
    • Oxygen

    A killer is murdering and mutilating young women along the Route 40 corridor in Delaware. But when investigators set up an undercover operation, the hunter soon becomes the hunted.

  • S01E05 Mark of a Serial Killer - The I-95 Killer

    • April 13, 2021
    • Oxygen

    After multiple men are discovered brutally murdered, investigators determine that each victim was last seen with a handsome stranger they met in a bar. Police ask the public for help in tracking down a dangerous drifter before he kills again.

  • S01E06 Mark of a Serial Killer - The Charmer

    • April 14, 2021
    • Oxygen

    A series of women in the Seattle area are found brutally murdered, their bodies posed. Police realize they may have a killer stalking the area nightclub scene, one who is able to charm his victims into submission

  • S01E07 Living with a Serial Killer - The Black Widow’s Web: Joanne Dennehy

    • April 14, 2021
    • Oxygen

    Spree killer Joanne Dennehy stabbed three men to death in 2013. Now, for the first time, Dennehy’s daughter Shianne shares how she has struggled to come to terms with the realities of being the child of Britain’s most dangerous woman.

  • S01E08 Mark of a Serial Killer - The Englewood Killer

    • April 15, 2021
    • Oxygen

    Chicago police are investigating the murders of several women, whose bodies are discovered in abandoned buildings barefoot. Evidence indicates there is one offender, now police need to locate him.

  • S01E09 Living with a Serial Killer - Scotland’s Worst Predator: Peter Tobin

    • April 15, 2021
    • Oxygen

    Peter Tobin raped and murdered Angelika Kluk in 2006, but police suspected this was not his first kill. With the help of Tobin’s ex-wife Cathy Wilson, a ground-breaking investigation unearthed more victims, and revealed Tobin as a serial killer

  • S01E10 Mark of a Serial Killer - Classified to Kill

    • April 16, 2021
    • Oxygen

    Chicago detectives believe a serial killer is using the classified ads to lure and murder his victims. The investigation is set ablaze when flames obliterate evidence, until police make a shocking discovery.

  • S01E11 Living with a Serial Killer - The Suffolk Strangler: Steve Wright

    • April 16, 2021
    • Oxygen

    For 10 days in 2006, an unidentified killer terrified the rural town of Ipswich snatching five prostitutes from the streets and strangling them to death. When Pam Wright discovers that the killer was her own partner, her world begins to crumble.

  • S01E12 “Murders at the Boarding House" Part One

    • April 17, 2021
    • Oxygen

    When the Sacramento Police Department receives a missing person’s report from a concerned social worker, they send Det. John Cabrera to the boarding house where the individual was last seen. The elderly landlady, Dorothea Puente, is friendly and cooperative, but when Cabrera discovers human remains in the backyard, Puente falls under suspicion of murder. Then with police getting closer to unearthing the rest of the bodies, the old lady gives Cabrera the slip and goes on the run.

  • S01E13 Accident, Suicide or Murder - Dark Echoes

    • April 17, 2021
    • Oxygen

    A weekend trip to an Alaskan lodge turns deadly for a young mother when she’s shot and killed by her boyfriend. The death is ruled an accident and the case is closed until an eerily similar incident in Montana drives investigators to reopen the case

  • S01E14 Snapped - Gail Gash

    • April 18, 2021
    • Oxygen

    After detectives discover a beloved fire chief’s dismembered torso in his own barn, they must rush to find his missing wife. Are they both victims, or is this couple hiding dark secrets?

  • S01E15 Murders at the Boarding House” Part Two

    • April 18, 2021
    • Oxygen

    Detective John Cabrera must piece together the clues of Dorothea Puente’s dark past to form a picture of the grandmotherly serial killer. Meanwhile, Puente is hiding out in an L.A. motel, and lining up her next victim – an elderly man she meets in a bar. But when the man recognizes Puente’s face on the news, he contacts the police and Puente is caught. Back in Sacramento, prosecutors embark on the case against Puente, and after a long, difficult trial, the judge sentences Dorothea Puente to life in prison.

  • S01E16 Mastermind of Murder - Victims Wanted

    • April 18, 2021
    • Oxygen

    A man is shot after answering a local help wanted ad. Detectives soon discover there are other victims with eerily similar stories. Their quest to locate a possible serial killer leads them to a suspected killer working for an evil manipulator