Description
Original Airdate05/18/2025
Exposing murderers who remain unknown to the public, although they are as deadly as Dahmer and Bundy.
Unknown Serial Killers of America
Where to watch Unknown Serial Killers of America
- Free On Demand on Oxygen
Related To Unknown Serial Killers of America
10. Mark Goudeau
Air Date 10/11/2026
As Phoenix reels from a wave of violence, a rapist turned murderer and a random sniper plunge the city into fear - forcing detectives to hunt two deadly predators at the same time, and the body count rises.
9. Reinaldo Rivera
Air Date 10/04/2026
As young women are savagely murdered on both sides of the Savannah River, baffled investigators desperately hunt for leads, until a survivor exposes a serial predator hiding in plain sight as a suburban father.
8. Gary Ray Bowles
Air Date 09/27/2026
Bodies of gay men appear along I-95, each marked by the same chilling signature. Investigators connect the murders and reveal a serial killer who slips across state lines. As panic grows, the FBI tries to corner the predator before he strikes again.
7. Nathaniel White
Air Date 09/20/2026
After a series of victims are found in upstate New York, posed and stabbed beyond recognition, police pursue a maniacal suspect seemingly unable to control a compulsive urge to kill.
6. Bruce Mendenhall
Air Date 09/13/2026
After a young mother of two is found murdered and posed at a truck stop, investigators launch a desperate manhunt for a long-haul trucker whose killing spree leaves a trail of victims across state lines.
5. Phillip Jablonski
Air Date 08/30/2026
When police discover the chilling connection of a slaughtered mother and daughter to a convicted murderer, they go on a hunt across state lines to stop a calculating maniacal killer methodically checking victims off his deadly list.
4. Billy Chemirmir
Air Date 08/23/2026
When police discover a string of deaths at an upscale retirement community is not natural, they uncover a predator with a motive that defies reason and end up exposing what could be one of the most prolific serial killers in American history.
3. Rory Conde
Air Date 08/16/2026
After a killer dumps bodies along Miami's Tamiami Trail, delivering a chilling message scrawled on a victim's back, a rising body count fuels a desperate hunt -- until one woman's daring escape exposes the predator hiding in plain sight.
2. Paul Stephani
Air Date 08/09/2026
When a series of brutal attacks on young women terrorizes the Twin Cities, detectives are taunted by a killer who repeatedly calls 911 to confess - forcing investigators into a desperate race to stop him before he kills again.