Unknown Serial Killers of America
Each year the FBI estimates between 25 to 50 active serial killers hunt their prey in America, taking the lives of hundreds of innocent people annually. Often these killings keep a city on edge, a heavy fear permeating the night air before these predators are taken off our streets. Just ask those who lived through the terror of The Night Stalker, Son of Sam or The Grim Sleeper. And years later the public still can't seem to get enough of their stories which continue to be retold in documentaries and limited series. Yet for every Jeffrey Dahmer or Ted Bundy who became part of the zeitgeist and remains with us like a dark specter, there are hundreds of other unknown serial killers whose horrific actions were j…
Unknown Serial Killers of America Season 2 originally premiered on Oxygen True Crime on August 2, 2026. Current US availability is unconfirmed.
Unknown Serial Killers of America Season 2 originally premiered on Oxygen True Crime on August 2, 2026. Current US availability is unconfirmed.
Where to watch in the US
Latest season’s US availability not verified
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Dates & episodes
Season guide
Current and recent seasons first. Original premiere dates, not current availability.
Episode guide
Season 2 episodes
- 1
Glen Rogers source at TVmaze
When four women are found murdered across four states in a single month, police race to track down a charismatic drifter whose charm conceals what experts believe is a deadly rage toward women.
- 2
Paul Stephani source at TVmaze
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.
- 3
Rory Conde source at TVmaze
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.
- 4
Billy Chemirmir source at TVmaze
When police discover a string of deaths at an upscale retirement community are 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.
- 5
Phillip Jablonski source at TVmaze
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.
- 6
Bruce Mendenhall source at TVmaze
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.
- 7
- 8
Gary Ray Bowles source at TVmaze
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.
- 9
Reinaldo Rivera source at TVmaze
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.
- 10
Mark Goudeau source at TVmaze
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.
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Sources and attribution
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- Season release history
Release dates retain the source wording. Season history records original premieres; availability receipts identify options that can be used now or later.