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  • Oxygen

Killer Siblings

  • 2019 – 2022
  • Returning Series
  • Documentary
  • ~44m / ep
  • 3 seasons
  • 7.0/10

Exploring the psychology and past of cold-blooded siblings who have carried out vicious murders.

Latest: Season 3 · 2021

View all seasons
  1. E1. Kauffman and McMahan

    Dec 3, 2021 · 44m

    Tragedy strikes rural Iowa as two women are found murdered in their homes. When a local bank is robbed the same day, investigators connect the crimes to an unfolding crime spree and race to find the killer siblings before they can strike again.

  2. E2. Kimbles

    Dec 10, 2021 · 44m

    A peaceful town is rocked by the murder of the young wife of a preacher’s son. The investigation leads detectives toward two brothers: one with a deadly ambition, and the other willing to do anything to earn his brother’s love.

  3. E3. Engels

    Dec 17, 2021 · 44m

    When the body of a young woman is found in a burnt out station wagon, investigators unravel a deadly plot that leads back to a shattered marriage and two self-made millionaire brothers who feel entitled to do anything to anyone.

  4. E4. Merricks

    Dec 24, 2021 · 44m

    A brutal double-homicide in a small Ohio town leads police to a family member with a grudge. Simmering tension over $400 leads two brothers to spiral out of control. Investigators must pit brother against brother to get to the truth of what happened.

  5. E5. Allridges

    Jan 7, 2022 · 44m

  6. E6. Galvan-Cernas

    Jan 14, 2022 · 44m

    A home invasion by masked gunmen leads to the murder of a doctor trying to protect his family. When investigators track down three brothers, they discover the kidnapping plot gone wrong was masterminded from within the doctor's own trusted circle.

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