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 ...

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 ...

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 ...

A photo of Sandy Hook Elementary school gunman Adam Lanza is seen in his bedroom in Newtown, Connecticut in this police evidence photo released by the state's attorney's office November 25, 2013. A ...

Twenty-six people -- 20 students and six adults -- were shot and killed at the Sandy Hook Elementary School in Newtown, Connecticut on December 14. As details continue to emerge, CNN presents a ...

An in-depth look into the life of Adam Lanza, the perpetrator of the Sandy Hook Elementary School shooting on December 14, 2012, and the events leading up to the tragedy. It also details the attack ...

Adam Lanza shot his mother to death on Dec. 14, 2012, and then killed 26 people -- mostly first graders -- at Sandy Hook Elementary before taking his own life. Investigators found newspaper clippings ...

After spending several days trying to extract data from Adam Lanza's damaged hard drive, investigators say that they've come up short. It wasn't for lack of trying, either. Connecticut State Police ...

REDDING, Conn. (AP) – A former teacher at Sandy Hook Elementary School says she remembers the gunman who killed 26 people at the school as a smart, sweet boy in her second-grade class. Carole MacInnes ...

The father of the gunman who killed 26 people in a Connecticut school shooting has claimed his son's body. A spokesman for the family said Monday that Peter Lanza claimed the remains of Adam Lanza on ...