On Dec. 14, 2012, 26 students and staff at Sandy Hook Elementary School in Newtown, Connecticut, were killed by a gunman who entered the building.

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 ...

HANOVER, Mass. (AP) — Less than two years after her 6-year-old son was killed at Sandy Hook Elementary School in 2012, Nicole Hockley was in an Ohio church basement teaching the first class of a ...

A massive new report from the Connecticut State Police released online Friday reveals new details about the Dec. 14, 2012 mass shooting that took 26 lives at Sandy Hook elementary school in Newtown, ...

Children who survived the 2012 Sandy Hook Elementary School shooting have grown up reliving their trauma with each new mass ...

A group formed in the aftermath of the Sandy Hook Elementary School shooting has traveled the country trying to prevent such violence from happening.