Since a 1990s decision to deter border crossers by pushing them into more dangerous terrain, migrant fatalities in the American Southwest have risen -- but Border Patrol has failed to gather information on hundreds of deaths noted by local authorities, leaving a rising cumulative gap in federal figures.

Since a 1990s decision to deter border crossers by pushing them into more dangerous terrain, migrant fatalities in the American Southwest have risen -- but Border Patrol has failed to gather information on hundreds of deaths noted by local authorities, leaving a rising cumulative gap in federal figures.

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Border Patrol failed to count hundreds of migrant deaths on US soil

From his small mountain town in the Ecuadorian Andes, Darwin Cabrera made the long, dangerous journey through Central America and Mexico and finally across the Rio Grande, into the United States.