Police cadets handcuff classmates during training at the National Bolivarian Police (PNB) University in Caracas August 26, 2010. Beset by one of the world's highest murder rates, Venezuela has set a two-year deadline to clean up its police forces, an official said Thursday, as the opposition attacked President Hugo Chavez's record on crime before a legislative election. REUTERS/Jorge Silva (VENEZUELA - Tags: POLITICS CRIME LAW) - RTR2HL0E
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