Our border patrol does a great job under these very dangerous conditions. They use very sophisticated equipment, including gamma rays, to detect drugs and illegal immigrants as they enter the U.S.

Advertising Disclosure: Please note that many links to retailers are affiliate links, which yields a commission for us. allauthor.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon sites.