Dateline 24/7 schedule

Officials identify a man's remains more than 20 years after his mysterious disappearance.

An arrest is finally made five years after a mother of four disappeared while she was close to her apartment in Montana.

Convicted murderer Drew Peterson speaks out about the murder of his third wife and the disappearance of his fourth wife in his first network TV interview in more than a decade; insiders close to the case speak out, including Stacy Peterson's sister.

A man and his son are shot to death, tearing their family apart.

Two years after the disappearance of his wife, Josh Powell kills his two sons and himself; Josh's last in-depth TV interview; a 911 dispatcher discusses the emergency call placed by a social worker.

Detectives take another look at a 20-year-old murder and discover the evidence points to one of their own.

After teenagers Rachel Shoaf and Sheila Eddy are convicted of murdering their 16-year-old friend, Skylar Neese, Skylar's parents discuss the night she disappeared; Rachel Shoaf's therapist, Patricia Bailey, shares her thoughts.

A woman disappears while on her morning jog.

After a mother is found murdered in her Virginia home, her son embarks on a 20-year quest for justice that leads him down a dark and twisted path.

When a pediatric dentist is found dead, police uncover a complex plot and their suspect leads investigators on an international manhunt; the lead detective speaks out for the first time.

Eleven years after Connecticut mother Donna Palomba is raped in her home, investigators finally track down her attacker; Donna speaks out about the latest developments in the case, including her fight to keep her assailant from walking free.

When a 23-year-old woman goes missing from a shopping mall in Plano, Texas, her family searches for her, and the police seek out who is responsible for her disappearance.

A hairdresser-turned-detective uncovers the truth behind the murder of a teenage girl at a scenic spot on a Utah river.

The investigation into the death of a college student leads authorities to her theater group and a new crime that exposes the truth.

After a sudden marriage creates tension between two families, a murder exposes secrets, lies and a long-buried mystery.

A mother is found dead in a house fire, but an autopsy reveals a brutal murder; the case goes cold for years until a shocking confession is made.

Mysterious deaths occur inside a traveling commune, starting an investigation that lasts more than a decade; two sisters -- former commune members -- reveal stories that involve lies, lust and greed.

When a graduate student is shot dead outside of her North Carolina home, a 911 caller leads detectives to believe the victim's fiancé is the key to solving the case.

A man uses a dating site to meet and murder a college student.

When a young Army medic based at Ft. Bragg, N.C., goes missing, police can't solve the case despite having a suspect until an unorthodox private investigator steps in to help.

Interviews with former journalist Amanda Lindhout and the undercover agent who spearheaded the international manhunt for the individual responsible for her 2008 kidnapping and torture in Somalia.

A detective comes face to face with a serial killer when she promises to get justice for the mother of a victim whose body turns up at an Anaheim trash facility.