content.usatoday.com — Arizona Sheriff Joe Arpaio has rejected a U.S. Justice Department demand for an independent monitor to address allegations of rampant discrimination against Latinos in his office's police and jail operations. READ: DOJ letter to Arpaio's lawyers The controversial Maricopa County sheriff and the DOJ had been preparing to negotiate ways to remedy alleged discrimination found in a three-year federal investigation of the sheriff's office, The Arizona Republic reports.