Programme de Dateline 24/7

The disappearance of two teenagers brings together two families in a common journey for justice; what California is doing to prevent a similar tragedy.

Rocky Mountain National Park rangers question whether a woman's fatal fall was an accident or the result of an act of violence.

When a woman is found dead in her SUV, the investigation into her murder reveals a tangled web of sex and lies; interviews about the prominent family's dark secrets.

A beauty queen's murder shocks a small Arkansas town.

When Ohio mother Heather Bogle goes missing, a detective identifies multiple suspects, until he himself comes under scrutiny for his investigation.

A woman's death is initially ruled a suicide, but when a new investigation begins, police begin to suspect murder.

A woman's story about an abduction and murder helps reopen a decades-old case that has weighed heavy on a New York town.

The disappearance of two teenagers brings together two families in a common journey for justice; what California is doing to prevent a similar tragedy.

Rocky Mountain National Park rangers question whether a woman's fatal fall was an accident or the result of an act of violence.

When a woman is found dead in her SUV, the investigation into her murder reveals a tangled web of sex and lies; interviews about the prominent family's dark secrets.

A beauty queen's murder shocks a small Arkansas town.

A woman's death is initially ruled a suicide, but when a new investigation begins, police begin to suspect murder.

A woman's story about an abduction and murder helps reopen a decades-old case that has weighed heavy on a New York town.

The Valseca siblings' lives are changed when their father is taken hostage in an orchestrated abduction.

The disappearance of a 20-year-old honors student causes her family to fear the worst; decades later, the mystery is solved.

A wife and mother survives an attack in her home and a shot to the head; authorities search for a motive.

Computer antivirus pioneer John McAfee -- who remains a person of interest in a murder investigation -- discusses his new business and why he decided to stop running from the law.

When one woman breaks off her relationship with a boyfriend she says abused and stalked her, he moves on to something even worse.

A beloved former firefighter is found dead in his garage; a neighbor's home security camera may provide answers.

When a scientist is murdered in his home, detectives try to figure out why his wife and son were left unharmed.

The disappearance of a young woman from Bend, Ore., leads to an intense manhunt after the suspect embarks on a two state crime spree.