Today's Situation Room:

Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.

Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.

December 18th, 2012
06:53 PM ET

Lt. Vance: Children lived through hell

Newtown, Connecticut, police spokesperson Lt. Paul Vance speaks out about the tragedy and how it could have been worse.

December 18th, 2012
03:26 PM ET

How much school security is enough?

Many are concerned over what can be done about school safety after the Newtown shooting. Lisa Sylvester reports.

December 18th, 2012
01:02 PM ET

Obama vows to prevent more gun tragedies

CNN's Brianna Keilar takes a look at what action President Obama will take on gun control following the shoot in Connecticut.

RELATED STORY: Lawmakers seem prepared to tackle gun control: 'This one feels different'

December 18th, 2012
01:00 PM ET

Shooter's mom kept guns for defense

Wolf Blitzer profiles Adam Lanza's first victim – his mother, Nancy Lanza.

RELATED STORY: Shooter's mother struggled to raise son, relative says

December 18th, 2012
12:02 PM ET

Vigils dot Newtown, Connecticut

Powerful memorials dedicated to the victims of shootings in Newtown, Connecticut, document a city in mourning.