Blayne Alexander

When a fire erupts at a New Jersey mansion, authorities find four family members dead; after detectives uncover a second fire nearby, they discover a shocking connection between the blazes, exposing a web of deception within the family.

The disappearance of a loving Kentucky mom leads police to question the three men closest to her; for the first time the lead investigator speaks out about the case.

When a woman finds a body on a rural road outside of Indianapolis, police learn the victim might have been poisoned with mushrooms.

After mom Regina Hicks is found dead in her car submerged in a pond, the case goes unsolved for nearly 25 years; in a Dateline exclusive, the man who helped police capture the killer speaks out and reveals what happened that night.

For the first time, eight mothers who lost their daughters at Camp Mystic during the catastrophic floods in Texas nearly a year ago open up about their grief, their bond, and their investigation into what happened.

A young, successful businesswoman moves from South Florida to Madrid for a fresh start then goes missing a few months after relocating; as her friends search for answers, authorities investigate and begin examining her relationships.