Subject
Terrorism Prevention
National security
323
Rules and practice
104
Emergency management
80
National security Law and legislation
78
Intelligence service
72
Evaluation
71
Management
55
September 11 Terrorist Attacks, 2001
55
War on Terrorism, 2001-2009
54
Terrorism
52
Terrorism Religious aspects Islam
50
Intergovernmental cooperation
47
Interagency coordination
45
Harbors Security measures
42
Terrorism Government policy
42
United States Foreign relations
39
Islamic fundamentalism
37
Terrorism Risk assessment
32
Terrorists
32
Airports Security measures
31
Privacy, Right of
31
Transportation Security measures
31
Aeronautics, Commercial Security measures
29
Civil defense
29
Border security
27
Civil rights
26
Airline passenger security screening
25
Cyberterrorism Prevention
25
Jihad
25
Ports of entry Security measures
24
Shipping Security measures
23
Terrorists Travel Prevention
21
Domestic terrorism Prevention
20
Internal security
20
Noncitizens Government policy
20
Terrorists Recruiting
20
Law enforcement
19
Terrorists Identification
19
Intelligence service Law and legislation
18
Emigration and immigration law
17
Intelligence service Evaluation
17
Marine terminals Security measures
17
Security measures
17
Security, International
17
Appropriations and expenditures
16
Criminal investigation
16
Visas
16
Visas Government policy
16
Military assistance, American
15
more ...