Sandy Hook Elementary School Shooter

The

20/20 Part 1: The gunman, the hero teacher and other details of the

He then drove to

This episode of Encounters with Evil explores four cases of shocking spree

Troubling picture of Connecticut mass murderer slowly emerges.

In December 2012, 20-year-old Adam Lanza killed his mother before driving to

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Brian Ross investigates

Extensive police report includes images of

Amy Robach on how teachers hurried to save student's lives.

Chris Cuomo has the latest details from

In this true story, we explore one of the darkest days in American history — the

On December 14, 2012, a

Half an hour after classes began at

The father of Newtown

It's been nearly two years since Adam Lanza opened fire on the

On the morning of December 14, 2012, a lone

... that a video showing a man dancing on a video game on his own at an arcade is

Teacher rushed 15 small children into the bathroom as shots rang out.