Updated on January 23, 2019 at 10:24 am
What to Know
On Dec. 14, 2012, 20-year-old Adam Lanza walked into Sandy Hook Elementary School in Newtown, Connecticut, and opened fire
He killed 20 children no older than 7 and six adult staff members before turning the gun on himself; earlier that day, he killed his mother
Hundreds of documents from his childhood were just released; we asked experts if there's a lesson in there to identify early risk factors
Mental health experts say the hundreds of documents seized from the childhood home of Adam Lanza, the Sandy Hook school shooter, may provide lessons for parents on how to help children struggling with developmental disorders and anti-social tendencies.