Author
United States. Department of Homeland Security. Office of Inspector General
4
United States. Congress. House. Committee on Homeland Security. Subcommittee on Transportation and Protective Security,
2
United States. Congress. Senate. Committee on Commerce, Science, and Transportation
2
United States. Congress. House. Committee on Homeland Security. Subcommittee on Intelligence, Information Sharing, and Terrorism Risk Assessment
1
United States. Congress. House. Committee on Homeland Security. Subcommittee on Transportation Security and Infrastructure Protection
1
United States. Congress. Senate. Committee on Homeland Security and Governmental Affairs,
1
United States. President's Commission on Aviation Security and Terrorism
1