A gunman who was shot dead after killing 12 people at the Navy Yard, and injuring 8 others now in hospital, has been identified as a former Navy serviceman, Aaron Alexis, 34, of Fort Worth, Texas, reports BBC News. In a press conference at MedStar Washington Hospital Center Secretary of the Navy Ray Mabus announced he had conferred SECNAV Designee status on injured personnel. The Secretary of the Navy Designee Program provides special eligibility for medical and dental care from naval medical facilities for patients affected by the shooting.