Border Patrol agents Laura Boston and Michael Lowry inspect the buttresses that hold up the border fence near the Arizona state line. The faltering U.S. economy and better enforcement appear to be keeping more illegal immigrants from attempting to cross the border. It's a trend that's most dramatically seen on the border's busiest corridors for illegal immigrants, which extend through the Mexican state of Sonora to Arizona and California.
Don Bartletti / Los Angeles Times
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