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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.

Local and regional news coverage.

Tom Llamas anchors the latest news, going beyond the headlines to see how lives are affected by the world around them.

All the latest action from Major League Baseball.

Catch up on the headlines with the 12Sports crew.

Anchored by Lester Holt, "Dateline" is NBC's signature newsmagazine, bringing viewers storytelling at its best by putting the pieces together to present the full picture of real-life events. NBC News correspondents cover compelling stories and issues of the day, ranging from mystery and crime to in-depth investigations and breaking-news events.

Local, national and international news coverage.

Actress Anne Hathaway; actor Riz Ahmed; singer-songwriter Alex Warren.

Actress Florence Pugh; author Ms. Pat.

Local, national and international news coverage.

Zach Braff (ABC's "Scrubs"); Shemar Moore; a recipe from Eden Grinshpan.

Reporting of breaking news and developing stories in real time.

This early-morning news covers overnight events, breaking domestic and international news as well as a preview of the day's anticipated events. The program also presents regular reports from the worlds of business, entertainment and sports.

This early-morning news covers overnight events, breaking domestic and international news as well as a preview of the day's anticipated events. The program also presents regular reports from the worlds of business, entertainment and sports.

This early-morning news covers overnight events, breaking domestic and international news as well as a preview of the day's anticipated events. The program also presents regular reports from the worlds of business, entertainment and sports.

Local and regional news coverage.

Local and regional news coverage.

Local and regional news coverage.

Local and regional news coverage.

Actress Amanda Peet; Winnie the Pooh celebrates 100 years; shopping expert Chassie Post; Today Food with Melissa Ben-Ishay.

Breast cancer treatments with Jill Martin and Dr. Elisa Port; shopping expert Adrianna Brach; what to read with Ana Huang; fitness expert Stephanie Mansour; nutritionist Joy Bauer.

Actress Amanda Peet; Today Food with chef Rasheeda Purdie; co-authors Jonathan Haidt and Catherine Price ("The Amazing Generation: Your Guide to Fun and Freedom in a Screen-Filled World"); Kashus Culpepper performs.

Josh Hartnett; shopping day with Monica Mangin; Dook Chase.

NBC News provides viewers with the latest national and international news; consumer, health and personal finance reporting; up-to-the-minute local news.

Stay informed with the latest breaking news and headlines.

Midday news coverage.

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

Local and regional news coverage.

Evening news coverage.

Tom Llamas anchors the latest news, going beyond the headlines to see how lives are affected by the world around them.

Evening news.

Stay informed with the latest breaking news and headlines.

The first Faithful is dramatically murdered; suspicion runs rife in the castle as accusations are thrown around and evidence is presented at a heated first roundtable; a life-or-death secret mission must be carried out in plain sight.

An injured woman's sudden disappearance from the hospital leads to a murder investigation; as an eyewitness to the crime, Brady partners with Benson's SVU to unravel a complex motive; an explosive discovery puts both squads in danger.

The hunt for a murder suspect uncovers a crime with shocking legal and ethical implications; Bruno must protect his squad during a raid on a suspect's home; Carisi and Price team up in court when Brady's interrogation tactics undermine the case.