Photos: America's Toughest Sheriff at Work

Maricopa County Sheriff's Office aggressively arrests illegal immigrants.

Taking on Illegal Immigration

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"One thing that I'm doing is enforcing the law," said Sheriff Arpaio. "I think some people think that's unusual. I'm an equal opportunity law enforcement and incarcerator — I lock everybody up. So when people say 'Why is he enforcing illegal immigration?' Well, because it's illegal, that's why I'm doing it." (Jeffrey Kofman/ABC News)
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