VIRGINIA BEACH, Va. (Reuters) - The gunman who killed 12 people at a Virginia Beach municipal building before dying in a gun battle with police was identified on Saturday as a disgruntled city engineer and co-worker of most of the victims. All but one of the victims from the mass shooting in the coastal resort community were employed by the city, officials said at a news conference, while the other was a contractor seeking a permit. Four people were wounded. The gunman, DeWayne Craddock, had worked for the city’s public utilities department for about 15 years, Virginia Beach Police Chief...