24. Jessica Hill

The Associated Press' Hill caught this heart-wrenching moment of Carlee Soto receiving the painful news that her sister, Victoria Soto, a 27-year-old teacher at Sandy Hook elementary school, was killed in the Newtown, Conn. tragedy. Soto's face is contorted in overwhelming sadness. Even months after this unimaginable event, Hill's photograph refuses to let the memory fade in vain.

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Above: Carlee Soto, Newtown, CT., 2013