US President Barack Obama wipes his eye as he speaks during a previously unannounced appearance in the Brady Briefing Room of the White House on December 14, 2012 in Washington, DC. Obama spoke following the shooting in a Connecticut Elementary School which left at least 27 people dead. AFP PHOTO / Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)
The public timeline below follows the developments of a mass deadly shooting at an elementary school in Connecticut on Dec. 14, 2012. It is being updated by the Daily Beast, the online home of Newsweek Magazine.