Siblings share a lot in common, but sometimes that includes a killer instinct. True crime fans will get a chance to learn more about some of the most dangerous siblings in Oxygen‘s upcoming new series, Killer Siblings. The series is set to premiere on Sunday, October 27, and each hour-long episode will explore the psychology and pasts of cold-blooded siblings who have carried out vicious murders. Watch In Touch‘s exclusive sneak peek of the upcoming series below.

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Each episode will dive deep into different cases, including the Stovall brothers, Bondurant twins, the Carr brothers, the Gustafson siblings. Killer Siblings features exclusive interviews with investigators and firsthand accounts from families of the victims, to give viewers an inside look into the minds of the siblings who teamed up to commit some of the most gruesome homicides. From teen brothers with a perverse dream to become prolific mass murderers to a Sheriff’s deputy who killed his wife’s lover by employing his brothers, who were on the FBI’s most-wanted list, to do his dirty work, each episode will reveal a more shocking tale than the last.

Killer Siblings premieres on Oxygen on Sunday, October 27, at 7 p.m. ET/PT.

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