AdvertisementOpinionFear, God And Family Pervade Migrants' JourneyJuly 10, 2011Jason BeaubienfacebookEmailMigrants ride on top of a northern bound train toward the U.S.-Mexico border in Oaxaca, southern Mexico, in March. Migrants crossing Mexico to get to the U.S. have increasingly become targets of criminal gangs who kidnap them to obtain ransom money. (AP)