Dateline NBC, or simply Dateline, is a weekly American television newsmagazine series. It was previously the network's flagship newsmagazine, but now...

A young Fairfield, Ohio, woman, 21-year-old Katelyn Markham, vanishes one summer night in 2011, prompting her community to conduct a massive search....

A new father is found dead on the side of a road. Then the stabbing of a young woman leads police on a high speed chase. Could these two chilling...

In Humble, Texas, a frantic 911 caller, 16-year-old Keri Murphy, reports hearing her mother's screams after an intruder entered their home. When...

A monster storm had rolled into Canton, Massachusetts, and Karen Read's boyfriend, police officer John O'Keefe, was dead, his body discovered in...

In Marietta, Georgia, a woman's murder shines a light on an unsolved mystery from years earlier. As the connection between the two cases becomes...

After a 2011 Halloween party at a country club in Dyersburg, Tennessee, Karen Swift, a wife and mother of four, vanishes. Nearly a decade later, a...

Latest developments and new interviews in the high-profile murder trial of Lyle and Erik Menendez; a scripted show reignites public interest in the...

Dubbed the 'Black Swan' case, a former ballerina falls in love with a man 30 years her senior, but when their love story spirals out of control, one...

Millionaire entrepreneur Lance Herndon is found bludgeoned to death in his Atlanta home. The search for his killer reveals no shortage of suspects or...

Andrea Canning reports on the dramatic updates in the case of international fugitive Nicholas Rossi who faked his death as law enforcement...

After Gary "Big Daddy" Farris mysteriously disappears, his family discovers his remains on their sprawling 10-acre estate. An investigation reveals a...

When Rob Limon is murdered at work, the investigation uncovers deep secrets about sex, friendship, religion and family; the broadcast explores...

An elderly socialite is reported missing from her stately New York City brownstone. When Sante Kimes and her son Kenny are arrested, an investigation...

Bob Lee was a well-known tech visionary whose sudden and brutal death in 2023 left the tech world in shock. Family, friends, attorneys, police, and...

On October 25, 1994, Susan Smith reported that her two young sons had been taken by a carjacker. Everyone was looking for the two young brothers. For...

The high-profile case of two murdered Indiana teens takes a stunning turn after video of the killer, taken by one of his victims shortly before their...