New police documents were released today from the ongoing investigation into the Sandy Hook school shooting, including search records that reveal shooter Adam Lanza had amassed a gigantic home arsenal ...

Adam Lanza killed his mother in their home in Newtown, Conn., then gunned down 20 children and six adult staff members at the elementary school on Dec. 14, 2012. Lanza, then 20 years old, killed ...

In a lengthy New Yorker piece published this week, Peter Lanza spoke with Andrew Solomon about why his son Adam Lanza murdered the 26 children and teachers of Sandy Hook Elementary School, his mother ...

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 ...

The man who attacked a Newtown, Connecticut, elementary school in December had a large arsenal of weapons including additional guns, swords and hundreds of rounds of ammunition, according to court ...

NEWTOWN, Conn. -- As the nation paused to mark a week since the shootings at Sandy Hook Elementary School, new details emerged Friday about the gunman, Adam Lanza, who acquaintances said was able to ...

Lanza allegedly murdered his mother, Nancy, at their home and then took her car and some of her guns to Sandy Hook Elementary School, where he broke in and opened fire, killing 26 students and ...

A woman who befriended Sandy Hook shooter Adam Lanza online said he was "singularly focused and obsessed with mass murders and spree killings" and looked upon school shooters "with respect and ...

Sandy Hook shooter Adam Lanza had an interest in children that could be characterized as pedophilia, but nothing suggests he acted on it, according to an FBI behavioral analysis. Sandy Hook shooter ...

Since the morning of Dec. 14 last year authorities have kept a tight lid on how much information was made public during the investigation into the Sandy Hook massacre. Thursday morning that will ...

A day after a deadly shooting rampage devastated the small town of Newtown, Conn., leaving 20 children and eight adults dead, a profile emerged of the shooter: A bright but awkward loner with few ...

Adam Lanza, the Newtown shooter, may seem like a bizarre and incomprehensible character, but in many ways he resembles other school shooters. As a psychologist who has studied dozens of school ...