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.

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Extensive police report includes images of

Brian Ross investigates

Chris Cuomo has the latest details from

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

On December 14, 2012, a

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

Half an hour after classes began at

Adam Lanza's father opens up about his son, the victims and their families.

The father of Newtown

Five years since the tragic

On the morning of December 14, 2012, a lone

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

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