This text investigates the technical challenges and operational methodologies required to detect illicit radioactive materials at United States border crossings. The authors, drawing on their expertise in nuclear physics and national security, present a comprehensive framework for evaluating radiation portal monitors and secondary screening technologies. The book synthesizes empirical data from government testing programs to argue for a multi-layered approach to border interdiction.

Experts in the field of nuclear security identify this as a foundational technical reference for understanding the complexities of border interdiction. Readers frequently note the high level of technical detail, making it a primary resource for professionals and researchers working in radiation safety and national security.