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.

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

When Dee Warner vanishes from her farm, her family is alarmed as her car is still in the driveway and her wedding ring is left behind; after three years of countless leads and no answers, a single X-ray image reveals the truth.

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.

A documentary profiles New Yorkers captured by NBC News cameras on Sept. 11, 2001; in new interviews, they reflect on what they witnessed, survived and how the attacks forever shaped their lives and the country.

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.