Peter Lanza had not seen his son Adam for two years before the day Adam walked into Sandy Hook Elementary School in Newtown, Conn., and killed 20 schoolchildren and six adults. Since that morning, ...

Frontline finally aired the findings of its weeks-long investigation into Sandy Hook shooter Adam Lanza, his mother, and his mental health on Tuesday night. Answers were not among the findings. Okay, ...

BRIDGEPORT, Conn. -- The families of nine people killed in the Newtown elementary school shooting have filed lawsuits against the estate of the gunman's mother. The lawsuits contend Nancy Lanza failed ...

Update, Monday: Lanza's father, Peter, was, in fact, the person who claimed the body, a family spokesperson confirmed this morning. Private arrangements were held over the weekend, NBC News reports.

In the confusion and panicked swirl of information after Friday morning's shootings in a Connecticut elementary school, one question stood out: Who could do such a thing? By the end of the day, ...

A mediator who worked with Adam Lanza's parents during their divorce in 2009 says his mother said she didn't like to leave him alone and that his parents went out of their way to accommodate him.

NEWTOWN, CT - DECEMBER 15: A police officer keeps watch as a woman kneels at a makeshift memorial outside a firehouse which was used as a staging area for families following the mass shooting at Sandy ...

NEWTOWN -- If you don't know someone in this town, you can be sure a friend does. That's how the elementary school shooting that killed 28 Newtowners last week ripped through this sleepy New England ...

The gunman behind the second-deadliest school shooting in U.S. history has been identified as 20-year-old Adam Lanza, NBC News reported. Police found Lanza dead at the scene—Sandy Hook Elementary ...