Bridgeport police officer Peter Garcia looks for a serial number on a rifle during a gun buyback event at the Bridgeport Police Department's Community Services Division in Bridgeport, Connecticut, in the wake of the shootings at Sandy Hook Elementary School, December 22, 2012. REUTERS/ Michelle McLoughlin (UNITED STATES - Tags: SOCIETY)
Bridgeport police officer Peter Garcia looks for a serial number on a rifle during a gun buyback event at the Bridgeport Police Department's Community Services Division in Bridgeport, Connecticut, in the wake of the shootings at Sandy Hook Elementary School, December 22, 2012. REUTERS/ Michelle McLoughlin (UNITED STATES - Tags: SOCIETY)