NEW : This means the product will ship as received by the manufacturer, sealed, with all advertised components, and with the manufacturer warranty. The suspected gunman at a convenience store was a retired Army sergeant . His motive and any relationship to the victims is not yet known . The gunman was killed by a guard after the shootings .
NEW : General calls shooter `` disgruntled , deranged '' The suspected gunman at a convenience store was a retired Army sergeant . His motive and any relationship to the victims is not yet known . The gunman was killed by a guard after the shootings .