Maricopa County Sheriff Joe Arpaio has been doing aggressive crackdowns on illegal immigration for years. And despite Wednesday's ruling by a federal judge to temporarily block portions of Arizona's new law, the former federal drug agent will continue to carry out sweeps in the country's busiest human and drug trafficking corridor.

Arpaio's tactics have made him the undisputed poster boy for local immigration enforcement, sometimes instructing his deputies to carry out sweeps in Hispanic neighbors to arrest illegal immigrants. His latest sweep was launched Thursday afternoon, when roughly 200 sheriff's deputies and trained volunteers searched metropolitan Phoenix for traffic violators who may be in the country illegally.

"It's my job," said Arpaio, standing beside a sheriff's truck that has a number for an immigration hotline written on its side. "I have two state (immigration) laws that I am enforcing. It's not federal, it's state."