An undated family photo of Mary Francis Knight, 51, from Reston, Va., a supervisory information technology specialist with the Naval Sea Systems Command's Information Technology department. Knight was one of 12 people killed by a gunman during a shooting

- Image ID: DEXJ18
An undated family photo of Mary Francis Knight, 51, from Reston, Va., a supervisory information technology specialist with the Naval Sea Systems Command's Information Technology department. Knight was one of 12 people killed by a gunman during a shooting
MixPix / Alamy Stock Photo
Image ID: DEXJ18
An undated family photo of Mary Francis Knight, 51, from Reston, Va., a supervisory information technology specialist with the Naval Sea Systems Command's Information Technology department. Knight was one of 12 people killed by a gunman during a shooting Sept. 16, 2013, at the Washington Navy Yard.