Following up a missing person's report, Det. John Cabrera visits the boarding house of Dorothea Puente, a friendly and cooperative woman; after Cabrera discovers a body in her backyard, Puente goes on the run.

Detectives visit a boarding house in search of a missing person.

Murders at the Boarding House

While Det. John Cabrera digs into Dorothea Puente's dark past, she is plotting her next move from a Los Angeles motel room until a tip-off leads to her arrest; she is flown back to Sacramento, Calif., to be prosecuted for nine counts of murder.

While Det. John Cabrera digs into Dorothea Puente's past, she is plotting her next move in L.A.

House of Secrets

A community is left in shock when a Cornell student and star athlete gets caught in the middle of a homicide investigation.

A Cornell student and star athlete gets caught in the middle of a homicide investigation.

Dateline: Secrets Uncovered

The House on Sidney's Cove

The security cameras at the home of a wife and mother of three's home may hold the key to solving the mystery of her disappearance.

The security cameras at a woman's home may hold the key to solving the mystery of her disappearance.

The Last Dance

A beloved kindergarten teacher and mother of two finds a new lease on life after shedding hundreds of pounds; when she suddenly vanishes from her home, investigators uncover a connection between her dramatic weight loss and mysterious disappearance.

Investigators uncover a connection between a woman's dramatic weight loss and disappearance.

Tangled

At first it looked like a home invasion gone wrong at the house Ralph Candelario shared with his second wife, but when police learn the antique dealer's first wife had disappeared, they take a closer look.

When police learn a man's first wife disappeared, they take closer look at death of his second wife.

Over the Edge

A romantic interlude on a September night turns tragic when a woman slips over the edge of a cliff and falls to her death; authorities ask whether she fell or was pushed, and it will take 20 years to find the answers.

A romantic interlude on a September night turns tragic when a woman slips over the edge of a cliff.

Someone Was Watching

In a plot straight out of an Alfred Hitchcock film, a woman peers into a neighbor's yard and catches a glimpse of something unsettling; she sets into motion a chain of events that will divide a family and a jury.

A woman peers into a neighbor's yard and catches a glimpse of something unsettling.

Blind Justice

A crime takes place in Florida but detectives don't discover a motive for murder until they look into a tropical island thousands of miles away, where a festering grudge was born.

A murder in Florida has roots in a tropical island far away, where a festering grudge was born.

Betrayal of Trust

Deede Keller has a loving family, a tight circle of friends and a new man in her life; when she vanishes, disturbing clues point investigators to a suspect with a dark secret; the case provides a twist that leaves the courtroom astonished.

When Deedee Keller vanishes, disturbing clues point investigators to a suspect with a dark secret.

Unthinkable: The Menendez Murders

In a case made for Hollywood, they were camera ready; Erik and Lyle Menendez were convicted of murdering their own parents more than two decades ago; now hear chilling new details about the gruesome double slaying from the brothers themselves.

Erik and Lyle Menendez were convicted of murdering their own parents more than two decades ago.

A Gathering Storm

Russel Douglas is a troubled father hoping for a fresh start when he is found shot dead in his car; the investigation turns up few clues until an anonymous tipster sends detectives on an international manhunt to unravel a mystery.

Russel Douglas is a troubled father hoping for a fresh start when he is found shot dead in his car.

Under a Full Moon

When detectives track down the killer of a Las Vegas cocktail waitress and mother, it becomes clear that the investigation has just begun.

Detectives track down the killer of a Las Vegas cocktail waitress and mother.

An examination into whether Ted Bundy, glamorized as a handsome, well-educated killer who outsmarted the law, was really an evil genius or a con artist posing as privileged to hide the monster in plain sight.

An examination into whether Ted Bundy was an evil genius or a con artist posing as privileged.

Snapped Notorious: Ted Bundy's Lost Case Files

Out There in the Dark

The mysterious death of a young mother in Ohio and the ensuing investigation that spans years and multiple states.

The mysterious death of a young mother in Ohio and the ensuing investigation.

Dateline

The Women & Dirty John

Debra Newell believes she has found Mr. Right, but her daughters sense there's something wrong with John Meehan; they start digging into his past and find out he's a dangerous con man; their revelations may come too late.

Debra Newell's daughters sense there's something wrong with their mother's husband.

Secrets on the Emerald Coast

When a young mother disappears after leaving her infant in the care of her local pastor and his wife, Florida detectives search for her for five years, uncovering a web of secrets and lies.

A young mother disappears after leaving her infant in the care of her local pastor and his wife.

Fatal Ambition

A hard-working young woman is discovered stabbed at the side of a road, leading police on a tireless investigation for 10 years to unveil a killer who is hiding in plain sight.

Freiwillige Selbstkontrolle der Filmwirtschaft

A young woman is discovered stabbed at the side of a road, leading to a 10-year investigation.

An Unexpected Killer

Deadly Disrespect

After a 35-year-old analyst for the NSA is fatally stabbed, police look at a number of suspects; detectives close in on the killer, but the investigation takes a shocking turn.

After a 35-year-old analyst for the NSA is fatally stabbed, police look at a number of suspects.

The Deed

An investigation into the murder of a beloved couple in South Carolina reveals a feud and divides a family.

Investigation into the murder of a couple in South Carolina reveals a feud and divides a family.

Consumed

When remains are found amid the rubble after a house fire, authorities soon discover the incident was no accident.

Investigators discover a house fire was no accident after finding remains amid the rubble.

Oxygen Schedule (Eastern Time)

Wednesday, October 27