These photographs were taken on Dec. 14, 2012, at Sandy Hook Elementary School by Detective Art Walkley, a crime-scene investigator who documented the immediate aftermath of the shooting.

At some point before he went to the school, investigators believe Adam Lanza, 20, killed his mother, Nancy Lanza. He grabbed three guns from the house -- a semi-automatic AR-15 assault rifle made ...

Twenty-two fatal shootings have taken place at elementary ... be the last school shooting. But in the 10 years since, school shootings have only increased. Since Sandy Hook, there have been ...

Conspiracy theorist Alex Jones, who questioned the authenticity of the school shooting at Sandy Hook Elementary School, ...

Weapons found at the scene were legally purchased by ... Bellis dismisses a lawsuit that families of the Sandy Hook Elementary School shooting victims had filed against a gun manufacturer ...

Jackie Hegarty, a survivor of the 2012 shooting at Sandy Hook Elementary School ... have to return to the school that was the scene of a shooting, or who now jump at the sound of a fire alarm ...

Twenty-six people -- 20 students and six adults -- were shot and killed at the Sandy Hook Elementary School ... officer arrived on the scene of the Sandy Hook school shooting two minutes and ...