U.S. Department of Homeland Security

APNewsBreak: Barely half of illegal border crossers caught

Immigration authorities caught just over half of the people who illegally entered the U.S. from Mexico last year, according to a report commissioned by the Department of Homeland Security that offers one of the most detailed assessments of border security ever compiled.

The report found that 54 percent of people who entered illegally between border crossings got caught in the 2015 fiscal year. That's much lower than the 81 percent success rate that Homeland Security cited publicly using a different counting method.

The 98-page report was completed in May, and Homeland Security officials have declined to release it, despite urging from some members of Congress. The Associated...