Unknown Serial Killers of America

Name: Unknown Serial Killers of America
Genre: Documentary
Released: 2025-05-18T00:00:00.000Z
Rating: 8

About Unknown Serial Killers of America

Explores the chilling cases of lesser-known serial killers whose crimes went unnoticed for years, leaving a trail of fear and unsolved murders before they were finally caught.

Oxygen's Unknown Serial Killers of America is a documentary series.

It has run to 2 seasons and 16 episodes since May 2025. That is around 8 episodes a season.

American members can watch it on OXYGEN, Peacock Premium, and Peacock Premium Plus.