Terrorists and foreign governments regularly attempt to obtain sensitive dual-use and military technology from manufacturers and distributors within the United States,” but the Government Accountability Office found that “sensitive dual-use and military technology can be easily and legally purchased from manufacturers and distributors within the United States and illegally exported without detection,” despite controls by the State and Commerce departments. The GAO in a related report “called for the executive and legislative branches to conduct a fundamental reexamination of the current programs and processes” governing the export of critical technologies.

http://www.gao.gov/products/GAO-09-767T