Unknown Serial Killers of America

Season

2025

7.3

Lesser-known but equally lethal killers are revealed through interviews with police and victims' contacts, showing how these murderers stayed undetected while continuing their deadly sprees.

Episode List

S1 • E1

Carl Watts

Operating in the 1970s and 1980s, he confessed to killing 12 people in Texas and Michigan. Investigators thinks he had killed more. Despite this, he was almost released on parole, before an eyewitness from decades prior came forward.

S1 • E2

William Suff

In the '90s, a deranged killer stalks women in Riverside, California, claiming the lives of 13. When a would-be victim describes the perp to police, the race is on to catch the murderous john before he strikes again.

S1 • E3

Daniel Conahan

Five corpses are found on the Florida hog trails. The investigation stalls until a men narrowly escape the offender clutches. Years later, eight more bodies are found in nearby woods, leaving police to wonder if it's the same evil killer.

S1 • E4

Terry Rasmussen

Multiple unidentified bodies are found inside barrels in a New Hampshire forest. Decades later, a murder 3,000 miles away reveals their connection to a serial predator who changes his identity after every violent kill.

S1 • E5

Maury Travis

From 2001 the bodies of 12 black women start to surface in Missouri and Illinois. As the investigation intensifies the killer start to taunts authorities.

S1 • E6

Herb Baumeister

A group of young gay men disappear in Indiana during the 1990s. An amateur detective uncovers clues that leads to identify a merciless offender.

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Unknown Serial Killers of America

Season

2025

7.3

Episode List

Carl Watts

William Suff

Daniel Conahan

Terry Rasmussen

Maury Travis

Herb Baumeister

Similar Titles

Serial Killer Extreme: Abominable Horrors Exposed

American Psychopath

The Gilgo Beach Killer: House of Secrets

Killer Broadcast

How to Become an Effective Serial Killer

Unknown Serial Killers of America

Season

2025

7.3

Episode List

Carl Watts

William Suff

Daniel Conahan

Terry Rasmussen

Maury Travis

Herb Baumeister

Similar Titles

Serial Killer Extreme: Abominable Horrors Exposed

American Psychopath

The Gilgo Beach Killer: House of Secrets

Killer Broadcast

How to Become an Effective Serial Killer