A sign hangs in the window of a clothing store Sunday, Dec. 16, 2012 in Newtown, Conn. On Friday, a gunman allegedly killed his mother at their home and then opened fire inside the Sandy Hook Elementary School, killing 26 people, including 20 children. (AP Photo/Mary Altaffer)

Associated Press
A sign hangs in the window of a clothing store Sunday, Dec. 16, 2012 in Newtown, Conn. On Friday, a gunman allegedly killed his mother at their home and then opened fire inside the Sandy Hook Elementary School, killing 26 people, including 20 children. (AP Photo/Mary Altaffer)
A sign hangs in the window of a clothing store Sunday, Dec. 16, 2012 in Newtown, Conn. On Friday, a gunman allegedly killed his mother at their home and then opened fire inside the Sandy Hook Elementary School, killing 26 people, including 20 children. (AP Photo/Mary Altaffer)
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