Federal immigration agents stand outside Sergio's Shuttle Thursday, April 15, 2010 in Phoenix. The van shuttle services offers transportation from northern Mexico to cities in Arizona, New Mexico, California, Nevada, Oregon and Washington. Agents raided van shuttle operators in Arizona Thursday in a massive investigation into smuggling of illegal immigrants.
Guest Commentary by Michael Carroll
Guest commentary by Phil Kerpen
By Mark Heller, Tribune
By Mark Scarp, contributing columnist
By Jerry Brown, contributing columnist