A Homeland Security department IG report looks at implementation of a new immigration law . The study finds that many people get in the country , by land , without required permits . Compliance rates are much higher along the Canadian border than the Mexican border . The border patrol agency says its built - in compliance program is working .
A Homeland Security department IG report looks at enforcement of a new passport law . The study finds that many people get in the U.S. , by land , without required documents . Compliance rates are much higher along the Canadian border than the Mexican one . The border patrol agency says its phased-in compliance effort is working .