Adam Lanza

Adam Lanza

ABC News via Getty Images

This handout provided by ABC News shows a 2008 yearbook photo of Adam Lanza, at an unspecified time and place. Twenty-six people were shot dead, including twenty children, after a gunman identified as Adam Lanza opened fire at Sandy Hook Elementary School. Lanza also reportedly had committed suicide at the scene. A 28th person, believed to be Nancy Lanza, was found dead in a house in town and was also believed to have been shot by Adam Lanza.