Discover true crime stories from The True Crime Original with compelling mysteries, powerful documentaries and in-depth investigation. All Dateline, all the time.

Dateline 24/7

A mother of three married to a missionary is found dead on Valentine's Day; the investigation into the murder reveals answers close to home.

Dateline NBC

Deadly Valentine

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

Into the Wild

With breaking news and in-depth reporting on the day's biggest stories, NBC News NOW covers stories for the next generation of news consumers. 

NBC News Now

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

The Man Who Talked to Dogs

When an Iowa woman is attacked while home alone with her three children, the confrontation turns deadly.

Twisted

Identical twins find their mother's dead body in their home, located in a gated community; detectives uncover a hidden diary and clues buried in the victim's past.

Bad Blood

The mystery of a successful real estate entrepreneur killed by a car bomb spans nearly two decades.

Mystery on Sunrise Drive

When a young woman is found nearly murdered in her apartment, officials wonder if it is connected to the disappearance of a young woman in nearby Denver weeks earlier.

Deadly Connection

A young woman is found dead in an empty warehouse parking lot in Miami -- just four days after her wedding.

Mystery in South Beach

Authorities investigate multiple suspects when a vibrant young woman disappears on her son's fifth birthday.

The Disappearance of Sandi Johnson

Two tenacious sisters determined to fulfill a promise investigate the mystery surrounding their mother's death.

The Vow

Detectives look into a couple's complicated past when a man finds his wife stabbed to death in their home.

Deadly Denial

A random post on a social networking site changes everything about a case that put two brothers in prison for more that two decades.

Graduation Night

Compelling mysteries, powerful documentaries, in-depth investigations.

S22 E36 | The Disappearance of Sandi Johnson

E57 | Deadly Valentine

E55 | Into the Wild

E53 | The Man Who Talked to Dogs

E52 | Twisted

E51 | Bad Blood

E45 | Mystery on Sunrise Drive

E39 | Deadly Connection

E37 | Mystery in South Beach

E36 | The Disappearance of Sandi Johnson

E34 | The Vow

E32 | Deadly Denial

E28 | Graduation Night