Secrets of the Sliding Door follows Staten Island educator Simeonette Mapes-Crupi, who was brutally killed by her husband, ...

After a beloved teacher is found murdered in her home on New York’s Staten Island, investigators uncover cracks in her ...

It all started with a panicked phone call, followed by a web of lies that ultimately ended in a shocking discovery.

NBC Dateline's upcoming true crime story tells a tale of dark secrets and the tragic death of Simeonette Mapes-Crupi in July 2012.

"Murder in Minot," the newest episode of "Dateline," airs Friday, May 2, at 9 p.m. ET/PT and 8 p.m. CT. The new "Dateline ...

Dateline: Secrets Uncovered, Season 3 Episode 18 'Blind Justice' takes us back to a 2004 crime that shook the close-knit community in Miami.

Dateline is back with a chilling unsolved mystery that has haunted a family for nearly two decades. In the latest episode, correspondent Blayne Alexander delves into the tragic case of Anita Knutson, ...