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FILE - In this May 22, 2013 file photo, bundles of 500 peso bills are displayed to the press after they were found at the offices of a former state official in the capital city of Villahermosa, Tabasco state, Mexico. The cash was found in an office of Jose Saiz, who was finance secretary under former Gov. Andres Andres Granier of Pena Nieto's Institutional Revolutionary Party (PRI). Granier, the former governor of southern Tabasco state, was charged this week with money laundering and embezzlement and woke up Wednesday, June 26, 2013 in a Mexico City prison. (AP Photo/America Rocio, File)MEXICO CITY (AP) — It's a scandal a day in Mexico: an ex-governor sent to jail, another under investigation, mysterious money popping up in senators' bank accounts, politicians passing stacks of bills on YouTube.