This broadcast is the first in a two-part series on migrant deaths north of the US-Mexico border. Watch the second installment on the Weather Channel.

Correspondent and Reporter: John Carlos Frey. Reporters: Neida Sandoval and Carmen Dominicci. Producer: Marisa Venegas.

Why are hundreds of migrants dying each year as they attempt to cross the US-Mexico border? When Central American immigrants head north, many go through Brooks County, Texas to avoid immigration checkpoints. Facing rough terrain and sweltering temperatures, many don’t survive the 40 mile trek — hundreds of migrants have lost their lives in the past two years.

  • The Deadly Checkpoint

    Read more from our award-winning series “The Deadly Checkpoint,” which captured the intense desperation experienced by dying migrants and produced a life-saving influx of search-and-rescue agents to the region.

This project is a joint investigation by Telemundo, The Weather Channel and The Investigative Fund at The Nation Institute, now known as Type Investigations, The Weather Channel and The Investigative Fund at The Nation Institute, in collaboration with Efran Films.