Photos: America's Toughest Sheriff at Work

Maricopa County Sheriff's Office aggressively arrests illegal immigrants.

Taking on Illegal Immigration

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Maricopa County Sheriff Joe Arpaio is aggressively applying federal laws and a new Arizona state law that makes it a criminal offense to smuggle illegal immigrants. As he sees it, the state law gives him the power to arrest the migrants too, as accessories. A simple traffic violation is all that deputies need to look for. (Jeffrey Kofman/ABC News)
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