Related by context. Frequent words. (Click for all words.) 43 Homeland Security 38 inside 36 homeland security 35 Homeland Security DHS 35 makeshift 34 barricaded 33 Joint Terrorism Task Force 33 counter terrorism 33 Nuclear Detection 33 law enforcement 33 airport screeners 33 Terror Alert 33 Domestic Preparedness 32 Bioterrorism 32 FBI 32 Security 32 windowless 32 commandeer 31 Brian Roehrkasse 31 Blood stained 31 Homeland Defense 31 cyberterrorism 31 bullhorns 31 surveil 31 Counterintelligence 31 antiterrorism 31 Inside 31 Counter terrorism 31 Combating Terrorism 31 Counter Terrorism 31 baggage screening 31 DHS 30 Law Enforcement 30 Counterterrorism 30 wearing balaclavas 30 heavily guarded 30 wielding knives 30 padlocks 30 duct taped 30 Chertoff 30 counterintelligence 30 CBP 30 Secret Service 30 DNI 30 Biodefense 30 locked 30 adviser Fran Townsend 29 Governmental Affairs Committee 29 Terrorism 29 Terrorism Prevention 29 pried open 29 handcuffs 29 Defense DoD 29 bioterrorism 29 Public Safety 29 Michael Chertoff 29 Frances Townsend 29 detonate bombs 29 jimmied 29 Homeland Security Presidential Directive 29 Intelligence 29 bioterror 28 guarding 28 lockdown 28 counterproliferation 28 cybersecurity 28 handcuffed 28 Homeland Security Secretary 28 counterterrorism 28 Defense DOD 28 Cybersecurity 28 doorways 28 intruders 28 maced 28 DoD 28 chained 27 emptied 27 Critical Infrastructure 27 TSA 27 DOD 27 interagency 27 air conditioning duct 27 jammed 27 Fran Townsend 27 Immigration Enforcement 27 Bennie Thompson 27 barricading 27 housed 27 smuggle explosives 27 weaponize 27 entrances 27 padlocked 27 stored 27 plain sight 26 cinder block 26 unventilated 26 lockdowns 26 Emergency Preparedness 26 wielding 26 hallway 26 nefarious purposes