The deadly risks migrants face to cross the land bridge between North and South America

Illegal border crossings into the United States from Mexico have dropped in the last few months. But further south, hundreds of thousands of migrants are making dangerous journeys through the Darien Gap, one of the world’s most treacherous jungles. “Seventy Miles in Hell” from The Atlantic documents migrant’s efforts through the region. Amna Nawaz discussed more with writer Caitlin Dickerson.