Subject
Terrorism Prevention
National security
178
Rules and practice
90
Intelligence service
58
Evaluation
57
Management
42
National security Law and legislation
42
Terrorism Religious aspects Islam
41
Interagency coordination
39
Intergovernmental cooperation
37
Harbors Security measures
31
Terrorism Risk assessment
30
Islamic fundamentalism
29
Border security
24
Emergency management
24
Ports of entry Security measures
23
Transportation Security measures
23
Airports Security measures
22
Jihad
22
Airline passenger security screening
21
Shipping Security measures
21
Terrorism Government policy
21
Privacy, Right of
20
Cyberterrorism Prevention
19
United States Foreign relations
19
Aeronautics, Commercial Security measures
18
Domestic terrorism Prevention
18
Terrorists Travel Prevention
18
War on Terrorism, 2001-2009
18
Terrorism
16
Terrorists Recruiting
16
Civil rights
15
Visas Government policy
15
Appropriations and expenditures
14
Chemical terrorism Prevention
14
Railroads Security measures
14
Emigration and immigration law
13
Internal security
13
Noncitizens Government policy
13
Terrorists
13
Visas
13
Immigration enforcement
12
Intelligence service Law and legislation
12
Intelligence service Management
12
Criminal investigation
11
Law enforcement
11
September 11 Terrorist Attacks, 2001
11
Social media Political aspects
11
Terrorists Identification
11
Fraud Prevention
10
more ...