Joshua Rhett Miller
FOXNews.com
June 30, 2010

Feds Say Arrests of Illegal Immigrants Are Down, But Problems Still Remain

NOGALES, Ariz. -- This much is certain: The number of illegal immigrants apprehended along America's southern border plummeted by 54 percent between 2005 and 2009. But, like everything else surrounding the fractious immigration debate in this part of the country, there is little agreement on exactly why.

Federal officials say the decrease is due to the right mix of “personnel, technology and infrastructureâ€