Subject
Terrorism Prevention
10
Terrorists Identification
10
Terrorists
9
Terrorism Prevention Government policy
3
Terrorists Government policy
3
Airline passenger security screening
2
Airports Security measures
2
Electronic surveillance
2
Intergovernmental cooperation
2
Noncitizens Government policy
2
Terrorism
2
United States Emigration and immigration Government policy
2
War on Terrorism, 2001-2009
2
Admission of nonimmigrants Government policy
1
Aeronautics, Commercial Security measures
1
Airplanes Government policy
1
Arrest
1
Asylum, Right of
1
Communication in law enforcement
1
Criminal investigation
1
Criminal law
1
Deportation
1
Emigration and immigration law
1
Emigration and immigration law Criminal provisions
1
Evaluation
1
Explosives Government policy
1
Hijacking of aircraft Prevention
1
History
1
Illegal immigration
1
Information resources management
1
Management
1
Militia movements
1
National security Information services
1
Noncitizens
1
Noncitizens Political activity
1
Racial profiling in law enforcement
1
Radicalism History
1
Rules and practice
1
Terrorism History
1
Terrorism Prevention International cooperation
1
Terrorism Prevention Technological innovations
1
Terrorism Religious aspects Islam
1
Terrorists History
1
Trials (Terrorism)
1
United States History
1
United States Politics and government
1
Vehicles Government policy
1
Visas
1