Keywords: Aaron Alexis entering building 197.jpg en Alexis enters Building 197 at 8 08 a m carrying a backpack Alexis had legitimate access to the Washington Navy Yard as a result of his work as a contractor and he utilized a valid pass to gain entry to the building 2013-09-16 http //www fbi gov/news/navy-yard-shootings-investigation/image/photo-gallery-navy-yard-shootings United States Department of the Navy CCTV United States federal government Federal Bureau of Investigation Custom license marker 2013 09 26 PD-USGov-Military-Navy Uploaded with UploadWizard Washington Navy Yard shooting |