TV Schedule for Oxygen (WDMR-LD4) Springfield, MA

Living With a Serial Killer The Black Widow's Web: Joanne Dennehy

Spree killer Joanne Dennehy's daughter Shianne shares how she has struggled to come to terms with the realities of being the child of Britain's most dangerous woman.

Living With a Serial Killer Scotland's Worst Predator: Peter Tobin

Peter Tobin raped and murdered Angelika Kluk in 2006, and with the help of his ex-wife, Cathy Wilson, a groundbreaking investigation unearthed more victims and revealed him to be a serial killer.

Unknown Serial Killers of America Rory Conde

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.

Unknown Serial Killers of America Billy Chemirmir

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.

Dateline: Secrets Uncovered The Death of Gianni Versace

Gianni Versace's longtime partner, Antonio D'Amico, speaks about the murder of the fashion icon; Versace's murder came amid a months-long manhunt for Andrew Cunanan, who was accused of committing four other murders throughout the U.S. in 1997.

Dateline: Secrets Uncovered Secrets of the Desert

Linda Watson is a single mom raising a beautiful daughter when she disappears; then, suddenly, Linda's mom goes missing too, along with another friend; police are convinced the three cases are connected, but unraveling the mystery takes years.

Dateline: Secrets Uncovered While She Was Sleeping

She was an A-lister in a town famous for glitzy ski resorts and celebrities; when socialite Nancy Phister was murdered, the news reverberated around Aspen; Nancy had a long list of friends, but she also had enemies.

Dateline: Secrets Uncovered Rear Window

Corey Parker's murder jolts a sleepy seaside community with the chilling realization that a killer is walking among them.

Dateline: Secrets Uncovered Hinckley: Diary of a Dangerous Mind

Pages from the diary of John Hinckley Jr., who was arrested in 1981 for trying to assassinate President Ronald Reagan, are revealed.

Dateline: Secrets Uncovered The Stranger

Brittany Tavar made headlines when she vanished.

Dateline: Secrets Uncovered The Dream House Mystery

Realtor Lindsay Buziak thought she'd land dream clients when a mystery couple says they want to buy a million-dollar home; what seems like a golden opportunity turns deadly when Lindsay is murdered in the ritzy home.

Dateline: Secrets Uncovered Vengeance

They were a couple who seemed made for each other; Seemona Sumasar thought she had met Mr. Right, but her instincts proved wrong.

Mark of a Serial Killer The Skull Crusher

Police in Hartford, Conn., investigate a string of ruthless killings in the Asylum Hill area committed by a killer with a devastating mark that leaves his victims nearly unrecognizable.

Mark of a Serial Killer The D.C. Sniper

A serial sniper terrorizes the entire D.C. metro area by discreetly targeting random victims out in public and in plain sight.

Dateline Family Business

Money and greed tear two close-knit California families apart.

Dateline Family Business

Money and greed tear two close-knit California families apart.

Dateline Manson

Through rarely-seen interviews and footage, a new look at the Manson Family murders that gripped the nation during the summer of 1969.

Floribama Murders Jackson County Injustice

Investigators from three separate counties along the Floribama border team up with the daughter of a missing man to uncover how the fireworks at a Fourth of July celebration ended in murder.

Floribama Murders Clay County Killer

The owners of an Alabama country store are brutally murdered in their home, and detectives must sort through a maze of bootlegging, gambling and family secrets to uncover the killer.

Florida Man Murders Killer Succession

A car bomb explodes, rocking the millionaire enclave of Naples, Fla.; Tobacco heiress Margaret Benson and her son are victims of a double homicide; her severely injured daughter clings to life and may be the police's only hope for an eyewitness.