Blayne Alexander

A wealthy podiatrist and his girlfriend plot to hire a hit man to kill his wife, but the would-be assassin alerts police; years later, a shocking new chapter after their release, as one of them allegedly attempts to revive the murder plot.

A Virginia father is accused of a double murder in a case that captures global attention; never-before-seen police interview is revealed as insiders shed light on the investigation.

An American University professor is found murdered in her Maryland home, it appears to be a burglary gone wrong; a years-long international hunt leads to a dramatic arrest and long-awaited justice.

A California tutor vanishes during a trip to Taiwan; her family embarks on a desperate search spanning two continents but as investigators dig deeper, secrets emerge and a trail of digital evidence contradicts everything they thought they knew.

Officials quickly rule a Georgia man's death a suicide after his wife tells authorities that he shot himself; believing there is more to the story, his family hires a private investigator, who uncovers troubling details.

In her first interview since her mother's disappearance, "Today" co-anchor Savannah Guthrie recounts her family's fears and anguish, as well as their hope for answers.