Undercover Congressional investigators successfully smuggled into the United States enough radioactive material to make two dirty bombs, even after it set off alarms on radiation detectors installed at border checkpoints, a new report says.
The Department of Homeland Security's effort to extend its antiterrorism campaign overseas by enlisting help from importers and foreign ports has been so flawed that the program may have made it easier at times to smuggle unconventional weapons into the United States, Congressional officials say.