Unknown Serial Killers of America

Unknown Serial Killers of America

ON AIR (NOT CANCELLED)

Air Dates: May 18, 2025 –
Network: Oxygen
Genre: True Crime

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Is Unknown Serial Killers of America Cancelled or Renewed?

Find out whether Unknown Serial Killers of America is cancelled or renewed beyond Season 2.

Follow the latest cancellation/renewal news, premiere date updates, trailers, ratings reports, and production developments for Unknown Serial Killers of America.


When does Unknown Serial Killers of America Season 2 premiere?

Season 2 Release Date:
August 2, 2026

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About Unknown Serial Killers of America

Each hour-long episode of “Unknown Serial Killers of America” profiles the horrific stories of these unconscionable criminals, and delves into what transformed them into evil monsters. With first-hand accounts from law enforcement who worked the cases and stories from loved ones of the victims, the series sheds light on serial killers who evaded the spotlight and examines how they were able to get away with their gruesome crimes for so long.

Crimes explored over the six-episode season include a case involving multiple unidentified bodies found in a barrel that are linked to a predator of women and children decades later; killings of multiple gay men; and an amateur sleuth who uncovered clues leading to a likely killer and a murderer of 12 black women who eludes authorities until chilling video evidence is found.

In Season 2, viewers will discover several of the utmost heinous killers that shocked communities across the nation with some of the most sinister slayings to this day. Season two of Unknown Serial Killers of America premieres Sunday, August 2 at 10 p.m. ET/PT on Oxygen.

From Miami to Phoenix and Maryland to the Twin Cities, Unknown Serial Killers of America takes viewers across the nation to take a closer look at some of America’s most prolific, unfamiliar killers.

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