Subject
Terrorism Prevention
National security
88
Rules and practice
53
Evaluation
31
Intelligence service
22
National security Law and legislation
22
Terrorism Religious aspects Islam
21
Interagency coordination
20
Terrorism Risk assessment
18
Intergovernmental cooperation
17
Harbors Security measures
15
Management
15
Islamic fundamentalism
14
Border security
13
Transportation Security measures
13
Airline passenger security screening
12
Cyberterrorism Prevention
12
United States Foreign relations
12
Airports Security measures
11
Jihad
11
Ports of entry Security measures
11
Shipping Security measures
11
Domestic terrorism Prevention
10
Privacy, Right of
10
Terrorism Government policy
10
Terrorists Travel Prevention
10
Aeronautics, Commercial Security measures
9
Visas Government policy
9
Civil rights
8
Emergency management
8
September 11 Terrorist Attacks, 2001
8
Terrorism
8
Chemical terrorism Prevention
7
Emigration and immigration law
7
Immigration enforcement
7
Intelligence service Evaluation
7
Railroads Security measures
7
Terrorists
7
Terrorists Recruiting
7
Appropriations and expenditures
6
Intelligence service Law and legislation
6
Intelligence service Management
6
Marine terminals Security measures
6
Noncitizens Government policy
6
Social media Political aspects
6
State-sponsored terrorism
6
Terrorism Finance
6
Terrorists Identification
6
Admission of nonimmigrants Government policy
5
Cargo handling Security measures
5
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