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Pope Francis visits the CeReSo n. 3 penitentiary in Ciudad Juarez, Mexico on February 17, 2016. Pope Francis urged Mexican convicts on Wednesday to become "prophets" whose experiences through "hell" can help the country break its cycle of violence as he visited a crime-scarred city's prison. AFP PHOTO / POOL / GABRIEL BOUYS / AFP / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)

Pope Francis visits the CeReSo n. 3 penitentiary in Ciudad Juarez, Mexico on February 17, 2016. Pope Francis urged Mexican convicts on Wednesday to become "prophets" whose experiences through "hell" can help the country break its cycle of violence as he visited a crime-scarred city's prison.  AFP PHOTO / POOL / GABRIEL BOUYS / AFP / GABRIEL BOUYS        (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)