Unknown Serial Killers of America explores Phillip Jablonski’s five murders and the “death list” that helped investigators ...

Ted Bundy, John Gacy and Dennis Rader may live in infamy for their heinous crimes—but they aren’t the only serial killers to have stalked the streets claiming countless lives. Watch new episodes of ...

When Carol Spadoni penned letters to a California inmate, she never imagined she was writing her killer in a twisted case ...

Phillip Jablonski’s chilling audio tapes and their role in the murder investigation are explored in Unknown Serial Killers of America.

“Unknown Serial Killers of America”, the new Season 2 documentary about the terrifying serial killers lesser known across the country, premieres tonight on Sunday, August 2 at 10 p.m. on Oxygen. You ...

Cold case investigators have identified the last unknown victim of the Happy Face Killer, who killed at least eight women, ...

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 ...

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. When a ...

Most turn to 911 for help, but Paul Stephani turned to it to confess. “I can’t stop myself,” Stephani lamented in one eerie call replayed on Oxygen’s Unknown Serial Killers of America. “I keep killing ...

DNA testing confirmed Lydia Jane Wade McWhorter as the 'Happy Face Killer's' final unidentified victim, found along a California highway in 1992.