TV Schedule for Oxygen (WNBC-DT4) New York, NY

Unknown Serial Killers of America Daniel Conahan

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

Unknown Serial Killers of America 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 targets women and children, and changes his identity after every violent kill.

Unknown Serial Killers of America Maury Travis

When the bodies of 12 Black women surface in Missouri and Illinois, the serial killer taunts authorities by sending a cryptic letter to the local paper; as disturbing video evidence emerges, the scope of his crimes is uncovered.

Unknown Serial Killers of America Herb Baumeister

When droves of young gay men disappear in Indiana in the '90s, an amateur sleuth uncovers clues that point to a likely killer; with little physical evidence, the case stalls until a mind-boggling 10,000 bones are unearthed in a family's backyard.

Dateline: The Smoking Gun In Cold Blood

When Kim Dorsey was found murdered in her bedroom, the chaotic crime scene left more questions than answers; a single out-of-place item would be the key to discovering the killer's identity if investigators could find the evidence.

Dateline: Secrets Uncovered Death in the Driveway

Former mayor and prominent attorney Melvin Roberts is larger than life; when cops find him dead in his driveway, it marks the start of a tough case.

Dateline: Secrets Uncovered Secrets of the Snake River

Rachel Anderson was a vivacious single mom whose world revolved around her children; when she failed to show up for work one day, her kids panicked; her disappearance could be connected to terrifying phone calls she'd been receiving.

Dateline: Secrets Uncovered A Killing in Cottonwood

Karen and Mark Duenas had a special marriage; the teenage sweethearts managed to keep the romance alive even after raising five boys together; a perfectly ordinary night that ends in murder tests the bonds of family.

Dateline: Secrets Uncovered The Mystery Man

At first, Mischele Lewis' new boyfriend seems almost too good to be true; she discovers her dream man has secrets; a single mom goes on a dangerous mission to find out the truth.

Dateline: Secrets Uncovered The Fugitive Millionaire

The neighbor of a tech giant who is living in paradise is found dead; suddenly, the entrepreneur extraordinaire is on the run, taunting authorities and tantalizing the press.

Dateline: Secrets Uncovered Deception

Wendy Ratte, a free-spirited mother of two, goes missing; police discover she had a bitter feud with a neighbor before she went missing.

Dateline: Secrets Uncovered The Comic Book Murder

Barbara George is murdered in her comic store on Friday the 13th; the case goes cold, and her husband moves away, starting a new life with a new wife.

Dateline: Secrets Uncovered The Motive

A football player was shot; his killer left few clues and the case sat cold until someone spilled a secret; what police asked the tipster to do next would make her a target.

Dateline: Secrets Uncovered The Mansion on Ocean Boulevard

It was a riveting mystery with two puzzling deaths, both at the same mansion; first, a boy was found near the bottom of the stairs and police ruled it an accident; then there was an apparent suicide at the guest house.

Dateline: The Smoking Gun The Figure in the Garage

A dad is murdered in his garage; evidence at the crime scene leaves a puzzle for police; a neighbor's camera reveals a clue that investigators hope was key to solving the mystery.

Dateline Vendetta

Investigators seek answers when a prosecutor and a district attorney and his wife are murdered within a couple of months of each other.

Dateline Vendetta

Investigators seek answers when a prosecutor and a district attorney and his wife are murdered within a couple of months of each other.

Dateline Deadly Conspiracy

Family man Jack Jessee is murdered in his home, but the case goes cold until a dogged detective unravels a conspiracy and pins down the perpetrators.

Buried in the Backyard Gone in the Sand

When a Texas father disappears without a trace, investigators go on an international manhunt to catch a killer and unravel a sinister plot that has them searching for answers deep into the Chihuahuan Desert.

Buried in the Backyard Poison Letters

A retiree settles in Southern California hoping to live his best life; when he disappears without a trace, investigators must uncover if his demise was connected to the unconventional pen pals he made.

Buried in the Backyard Death in Christmas Town

A beloved mother is found brutally murdered near the military town of North Pole, Alaska, and soon four more girls meet the same fate.