A cruel killing. A grieving widow. And a family with plenty of secrets... Tonight on an all-new Dateline with Blayne Alexander at 9/8c. | Dateline NBC

After less than a minute of searching, Dr. Schwartz had been found… Find out what happened, tonight on an all-new Dateline with Blayne Alexander at 9/8c. | Dateline NBC

“He underestimated the love me and my husband had for our daughter and what we would go through to find justice for her.” Watch the full story Friday at 9/8c on an all-new 2-hour Dateline. | Dateline NBC

Friday at 9/8c on an all-new Dateline... | Dateline NBC

It was quite obvious to the medical examiner that this was a deliberate, determined killing... The full story tonight at 9/8c on a Dateline Weekend Mystery. | Dateline NBC

An extraordinary journey through the criminal justice system was just beginning... The full story tonight at 9/8c on a Dateline Weekend Mystery. | Dateline NBC

The mystery of who killed Anita was only just beginning… Her story tonight at 9/8c on an all-new Dateline with Blayne Alexander. | Dateline NBC