When a 3-year-old named Michelle Pulsifer disappeared, her father couldn't even get police to search for her -- but he never gave up looking. John Lar...

The disappearance of 19-year-old Alaska Native Sonya Ivanoff sends shockwaves through the small coastal city of Nome. Josh Mankiewicz reports.Get reso...

CEO Jacob Kingston appears to be a rising star in Utah’s fledgling biofuel industry, until a member of a secretive polygamist group called The Order r...

When a woman attempts to connect with old neighborhood friends on Facebook, she has no idea it will dredge up a shocking, long buried truth. Keith Mor...

A family begins a relentless pursuit of justice after the death of Nevada attorney Susan Winters is ruled a suicide. Josh Mankiewicz reports.

In this Dateline classic, Josh Mankiewicz sits down with O.J. Simpson prosecutor Marcia Clark and other key players and witnesses from the criminal tr...

After the death of 44-year-old mother Stacy Feldman in her Denver home is ruled as “undetermined,” friends and family join forces to piece together wh...

When the mysterious death of a 23-year-old mother in New Mexico goes unsolved, her family searches for answers. Keith Morrison reports. Originally air...

While investigating the rape and murder of a 22-year-old woman in Texas, detectives uncover a trail of sexual assault crimes pointing to a repeat offe...

When film executive Gavin Smith vanishes, Los Angeles detectives search for clues amid reported sightings and suspicious circumstances. The case takes...