Analysis suggests few serious offenders caught since 2008
Sheriff Joe Arpaio's announcement that he will mark the dawn of Arizona's new immigration law next month with a crime-suppression operation should catch nobody by surprise.Arpaio has been one of the most vocal supporters of the law. And he has made headlines for more than two years with his controversial immigration sweeps, typically placing dozens of deputies in neighborhoods with large Hispanic populations and ordering them to stop anyone for any violation...