Dateline 24/7 schedule

Friends and family fear the worst when a 17-year-old girl training to be a pilot disappears over Montana during a solo flight.

The murders of two young women near a Phoenix canal remain unsolved for over 20 years until a team of cold case detectives take on the case and investigate a man known as the Zombie Hunter.

Two murders in Toronto ignite an investigation that spans four decades; breakthroughs in investigative genetic genealogy help crack the case.

A bombshell more than a decade after the crime reignites the investigation into the death of Sarah Pagel's mother, who was killed when Sarah was seven.

When Tom Foley becomes the top suspect in his wife's murder, he spends the next two years trying to prove his innocence.

When film executive Gavin Smith vanishes, Los Angeles detectives search for clues amid reported sightings and suspicious circumstances.

Police investigate whether the shooting of a young woman in Utah was an accident or something more sinister.

A former ballerina shoots her husband in what she alleges was an act of self-defense; the ensuing investigation and dramatic trial spark protests and receives national attention.

A son uncovers a dark family conspiracy when he questions his mother following a man's apparent suicide.

When a complicated Texas love triangle ends in murder, a pink gun leads to an arrest, until new evidence prompts investigators to rethink the case.

When a determined investigator works with a prosecutor in hope of solving a 20-year-old murder case, a dark secret is uncovered.

Detectives connect a series of seemingly random crimes to crack the case of a missing young man.

A woman goes for a walk during a snowstorm and never returns.

Firefighters make a grisly discovery while responding to a house fire in a Toronto suburb; as a family searches for answers, investigators launch an elaborate undercover sting that reveals a devious murder-for-hire plot and the ultimate betrayal.

A woman and her dogs disappear from their home.

When a dog trainer with celebrity clientele disappears, investigators track down a suspect with the help of two witnesses.

After New Jersey mother Michelle Lodzinski reports that her 5-year-old son has vanished from a carnival, detectives embark on a decadeslong investigation until a family member identifies a key piece of evidence pointing to a potential suspect.

The question of a surgeon's whereabouts remains unanswered for five years after he disappears while on vacation in the Greek Islands with his wife, leaving behind financial ruin and mounting malpractice suits from patients in the U.S.

A Georgia couple's romantic tryst takes a deadly turn, leaving investigators stumped -- until tire treads at the scene and cell phone calls reveal a twisted plot.

Suspicions arise when a man's wife dies in a house fire and then a second tragedy claims his son's life.

A man charged with murder claims he was too fat to have committed the crime; a man's double life is exposed after his wife is killed in a car accident.

A teen driver discusses what happened the night she was involved in a car crash that left a pregnant woman and her son dead; authorities try to determine if the incident was an accident or intentional.