Northern Border Security: DHS's Report Could Better Inform Congress by Identifying Actions, Resources, and Time Frames Needed to Address Vulnerabilities
Combating Nuclear Smuggling: DHS's Program to Procure and Deploy Advanced Radiation Detection Portal Monitors Is Likely to Exceed the Department's Previous Cost Estimates
Transportation Security: TSA Has Developed a Risk-Based Covert Testing Program, but Could Better Mitigate Aviation Security Vulnerabilities Identified Through Covert Tests