A sheriff in the US state of Arizona is under pressure in a high profile case to improve the way Latino immigrants are treated.
Joe Arpaio, the self-declared toughest sheriff in America, must end racial profiling in a crackdown on undocumented migrants.
North American correspondent John Stempin says Sheriff Arpaio targets undocumented migrants for political reasons.
As he explains to Greg Dyett.
(Click on audio tab above to listen to this item).
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