S30 E1 • 41m • HDTVPG

Friends think something isn't right after the mysterious disappearance of a Colorado rancher and spend years fighting for answers.

S30 E2 • 85m • HDTVPG

The survivor of a horrible attack is convinced police have the wrong suspect.

S30 E3 • 83m • HD

Florida law professor Dan Markel is found murdered in his garage.

S30 E4 • 84m • HDTVPG

When a pathologist is found murdered, the investigation reveals jealousies and a love triangle.

S30 E5 • 41m • HDTVPG

As detectives investigate a mother of two's sudden disappearance, her friends and family reveal she feared she was being stalked.

S30 E12 • 85m • HDTV14

Keith Morrison reexamines the mysterious death of Las Vegas casino magnate Ted Binion.

S30 E13 • 86m • HDTV14

A female soldier vanishes from Fort Hood.

S30 E13 • 84m • HDTVPG

A Connecticut mother speaks out about her fight to keep her assailant from walking free.

S30 E14 • 82m • HDTVPG

Investigators search for answers after a 17-year-old is murdered after a Valentine's Day dance.

S30 E15 • 85m • HDTV14

Police follow a trail of video evidence as they work to track down a man's killer.

S30 E17 • 40m • HDTVPG

A mystery in paradise unfolds when a woman vanishes from a luxury yacht in the U.S. Virgin Islands.

S30 E21 • 85m • HDTV14

Detectives search for a motive in the fatal stabbing of former Sen. Linda Collins of Arkansas.

S30 E24 • 85m • HD

New Jersey detectives investigate a report that a five-year-old boy vanished from a carnival.

S30 E26 • 85m • HDTVPG

Insiders reveal new details on the 2016 murder of a plastic surgeon in Asheville, N.C.

S30 E27 • 85m • HDTVPG

Insiders speak out about the latest developments in the suspicious death of a New York woman.

S30 E29 • 41m • HDTVPG

Compelling mysteries, powerful documentaries, in-depth investigations.

S30 E30 • 85m • HDTVPG

When Susan Woods doesn't show up for work, she is soon discovered dead in her bathtub.

S30 E31 • 42m • HDTVPG

A Dateline investigation reveals new details about the death of 19-year-old Anton Black.

S30 E38 • 40m • HDTVPG

An investigator employs the help of armchair detectives and new DNA technology to find a killer.

S30 E39 • 40m • HDTVPG

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

S30 E41 • 82m • HDTV14

When a woman is found dead in her SUV, the investigation reveals a web of sex and lies.

S30 E42 • 85m • HDTVPG

When a woman makes a call naming her killer right before her death, it leads to her father's arrest.

S30 E43 • 83m • HDTVPG

Private investigator and former police officer Taylor Wright vanishes.

S30 E44 • 41m • HDTVPG

Members of a movie cast learn their lead actress has been charged with killing her uncle.

S30 E45 • 81m • HDTV14

Witnesses see a woman handcuffed in a parking lot and taken into an unmarked car by a blond woman.

S30 E45 • 84m • HDTVPG

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 7.

S30 E46 • 85m • HDTVPG

A surgeon disappears, leaving behind financial ruin and mounting malpractice suits.

S30 E48 • 40m • HDTVPG

When a Kansas prisoner escapes with the help of a prison volunteer and mother of two, investigators scramble to track the pair down.

S30 E50 • 41m • HDTVPG

When Nichole Payne and her son Taylor are found dead in their home, it takes nearly a decade to unravel what happened.

S30 E52 • 41m • HDTVPG

A murder reveals decades of misconduct in Philadelphia's criminal justice system.

S30 E54 • 40m • HDTVPG

An advocate for missing and murdered Indigenous women searches for answers in the disappearance of her niece and exposes cracks in law enforcement.

S30 E56 • 40m • HDTVPG

Ohio investigators search for answers in the decades-old murder of 10-year-old Amy Mihaljevic. Now they’re enlisting your help to solve the case.