Here are the stories of just some of the twelve victims who were at work at Washington's Navy Yard Monday and never made it home.
Financial Analyst Kathy Gaarde,62, was a die-hard fan of the Washington Capitols. Her daughter says she would do anything for anyone she loved.
Martin Bodrog, 54, had retired from the Navy but kept working as a civilian, designing war ships. He leaves behind a wife and three daughters.
Mary Francis Knight was an IT contractor who taught at a local community college. The 51-year-old's eldest daughter just got married two weeks ago.
Richard Michael Ridgell, 52, a private contractor, who retired from the Maryland State Police and served three years as a contract security worker in Iraq.