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

The Killer Among Us Betrayal in Blue

When sheriff-elect Derwin Brown is gunned down just days before taking office, investigators uncover a tangled web of secrets - forcing them to confront the chilling possibility that the killer may be hiding within law enforcement's own ranks.

A Plan to Kill Killer Friendship

A father in Orange County, Calif. finds a young woman's slain body in his son's apartment and calls the police; he seeks his son and answers; the investigation uncovers an unexpected plot.

A Plan to Kill Killer Competition

A San Diego teacher and coach is gunned down on the street, leaving his students and fiancée shattered; detectives swiftly retrace the suspect's steps to prevent future violence, while unveiling a sick, obsession-fueled murder plot.

Dateline: Secrets Uncovered The Bathtub Mystery

She was a beaming bride; it was a haunting death; Sarah and Ryan were newlyweds when she drowned in the bathtub; did she die of natural causes or was it deliberate; it took three trials to find the truth.

Dateline: Secrets Uncovered Down the Back Staircase

It all began when a best-selling author found his wife at the base of the stairs; the story makes headlines and has been covered for more than a decade; Michael Peterson answers questions.

Dateline: Secrets Uncovered Secrets on Hot Springs Drive

A woman is murdered in a home invasion; her best friend and neighbor is shot the following night; investigators unearth disturbing secrets that suggest the cases may be linked.

Dateline: Secrets Uncovered Ghosts Can't Talk

When deadly gunfire erupts in an Austin, Texas home in the middle of the night, detectives wonder if the homeowners' jewelry business is a possible motive; an investigation uncovers a suspect no one saw coming.

Dateline: Secrets Uncovered Deadly Swap New

After a 25-year-old mother is gunned down in broad daylight by a murderer wearing a disguise, detectives confront a most unlikely suspect.

Dateline: Secrets Uncovered Broken Circle

An investigation of abuse allegations against one of the owners of the religious reform school Circle of Hope.

Dateline: Secrets Uncovered Deadly Swap

After a 25-year-old mother is gunned down in broad daylight by a murderer wearing a disguise, detectives confront a most unlikely suspect.

Dateline: Secrets Uncovered Jonestown: An American Tragedy

An in-depth look at the journalists who exposed the dangers of cult leader Jim Jones.

Dateline: Secrets Uncovered Shattered Bonds

A car belonging to a missing man erupts in a blaze, leading to clues regarding his whereabouts.

Dateline The Devil's Bargain - Part 1

Lead investigators and family members speak about the murder of Colorado mother Kelsey Berreth, whose disappearance made national headlines after she was last seen grocery shopping on Thanksgiving in 2018.

Dateline The Devil's Bargain - Part 2

Lead investigators and family members speak about the murder of Colorado mother Kelsey Berreth, whose disappearance made national headlines after she was last seen grocery shopping on Thanksgiving in 2018.

Dateline House of Horrors

When Nichole Payne and her son Taylor are found dead in their home, it takes nearly a decade to unravel what happened; now, Nichole's children share what they saw the day their mother and brother were murdered.

Philly Homicide Ride or Die

When a patrol officer discovers a dead body in the back of a taxi, detectives must rely on a trail of digital breadcrumbs and a mysterious passenger to track the killer.

Philly Homicide Murder At The Shore

When a Philly radio personality is killed in her lavish Shore home, the years-long investigation reveals an undercover informant, an intricate murder-for-hire plot, and a vast trafficking conspiracy.

Philly Homicide Nightmare in North Wales

After a successful Korean-American business owner is killed during a home invasion, detectives believe his murder could be tied to a string of Philly crimes against businesses, until they uncover that the mastermind is someone much closer to home.