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Personalized birdhouses are part of a memorial for the victims of the Sandy Hook Elementary School shooting in Newtown

Personalized birdhouses are part of a memorial for the victims of the Sandy Hook Elementary School shooting in Newtown, Connecticut December 14, 2013 . Today marks the one year anniversary of the shooting rampage at Sandy Hook Elementary School, where 20 children and six adults were killed by gunman Adam Lanza. REUTERS/Michelle McLoughlin (UNITED STATES - Tags: CRIME LAW SOCIETY)