Police surround the apartment of James Holmes, the suspect in the Colorado theater shooting, on Friday in Aurora, Colo. Chris Schneider/Getty Images hide caption

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A photo of James Holmes released by the University of Colorado Denver. University of Colorado Denver hide caption

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A man walks past a campaign sign for Enrique Pena Nieto, of the opposition Institutional Revolutionary Party. Mexicans vote for their next president on Sunday. Esteban Felix/AP hide caption

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PRI candidate Enrique Pena Nieto campaigns in Mexico City. Pena Nieto is heavily favored in Mexico's presidential election on Sunday. He says his party, which has been out of power for 12 years after ruling for seven decades, has changed its ways. John Moore/Getty Images hide caption

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A man wearing a mask holds up a machete during a protest in May against a possible return of the old ruling Institutional Revolutionary Party in Mexico City. Eduardo Verdugo/AP hide caption

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