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 ...

The killing of 26 people, including 20 children, at Sandy Hook Elementary in Connecticut has understandably shocked the nation, and details are just beginning to emerge about the shooter, Adam Lanza, ...

Thirteen years have passed since the mass shooting at Sandy Hook Elementary School in Newtown, Connecticut. Meanwhile, a gunman killed two students Saturday at Brown University, two hours to the east.

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 ...

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's father, Peter Lanza, is speaking at length for the first time since his son shot and killed 26 people more than a year ago at Sandy Hook Elementary School. Adam Lanza also killed his own ...

A relative told the Daily News that Newtown, Conn., mass murderer Adam Lanza was bullied and beaten by classmates when he attended Sandy Hook Elementary School, but school officials didn’t do anything ...

Connecticut authorities have not been able to determine what prompted gunman Adam Lanza to carry out his 2012 massacre at Sandy Hook Elementary School, an attack that shattered the bucolic community ...

Lanza left behind journals, which state police turned over to the FBI for analysis, but if investigators have any ideas about his motive, they aren't saying. "Why is the big unanswered question," said ...

Saturday marks 12 years since the Sandy Hook shooting, where 26 people were killed. One of them - a six-year-old whose mother has started a movement in his honor. Scarlett Lewis, founder of the Choose ...