02718oam 2200733 450 991070277970332120150306104710.0(CKB)5470000002430399(OCoLC)894698773(EXLCZ)99547000000243039920141107d2014 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierThe Navy Yard tragedy hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Thirteenth Congress, first session : examining government clearances and background checks, October 31, 2013 ; examining physical security for federal facilities, December 17, 2013Washington :U.S. Government Printing Office,2014.1 online resource (iv, 341 pages) illustrationS. hrg. ;113-425Title from title screen (viewed on Nov. 7, 2014).Paper version available for sale by the Superintendent of Documents, United States Government Printing Office.Includes bibliographical references.Navy Yard tragedy Mass murderWashington (D.C.)Public buildingsSecurity measuresUnited StatesGovernment propertySecurity measuresUnited StatesSecurity clearancesUnited StatesGovernment contractorsUnited StatesEmployee screeningUnited StatesEmployee screeningfastGovernment contractorsfastGovernment propertySecurity measuresfastMass murderfastPublic buildingsSecurity measuresfastSecurity clearancesfastUnited StatesfastWashington (D.C.)fastLegislative hearings.lcgftMass murderPublic buildingsSecurity measuresGovernment propertySecurity measuresSecurity clearancesGovernment contractorsEmployee screeningEmployee screening.Government contractors.Government propertySecurity measures.Mass murder.Public buildingsSecurity measures.Security clearances.GPOGPOGPOCOOOCLCOUBYOCLCOOCLCFGPOBOOK9910702779703321The Navy Yard tragedy3491818UNINA