A full moon glows behind flags at the Washington Monument that have been lowered to half staff to honor the victims of Monday's shooting at the Washington Navy Yard, September 19, 2013 in Washington, DC. Aaron Alexis on September 16, 2013 entered a building at the Washington Navy Yard and shot and killed 12 people before being shot and killed by police.
{"Image ImageDescription": "WASHINGTON, DC - SEPTEMBER 19:  A full moon glows behind flags at the Washington Monument that have been lowered to half staff to honor the victims of Monday's shooting at the Washington Navy Yard, September 19, 2013 in Washington, DC. Aaron Alexis on September 16, 2013 entered a building at the Washington Navy Yard and shot and killed 12 people before being shot and killed by police.  (Photo by Mark Wilson/Getty Images)", "Image Copyright": "2013 Getty Images"}