Newtown, Connecticut, police spokesperson Lt. Paul Vance speaks out about the tragedy and how it could have been worse.
Many are concerned over what can be done about school safety after the Newtown shooting. Lisa Sylvester reports.
CNN's Brianna Keilar takes a look at what action President Obama will take on gun control following the shoot in Connecticut.
Wolf Blitzer profiles Adam Lanza's first victim – his mother, Nancy Lanza.
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Powerful memorials dedicated to the victims of shootings in Newtown, Connecticut, document a city in mourning.