Hundreds of thousands of people are illegally crossing the border from Mexico into the US every month right now. Some of them try to get across the Sonoran desert - where temperatures can reach 50 degrees. Some people get lost there, and some die. A volunteer group called the “Eagles of the Desert” searches for missing migrants. BBC reporter Valentina Oropeza has been out with them and tells us about the work they do.

President Trump was famous for his slogan “Build the wall” but did illegal migration go down under his watch? Why is it so high now? And what has President Biden tried to do about it? Bernd Debusmann Jr, a BBC reporter in Washington D.C. explains why immigration is such a hot topic in the US right now.

Also, we hear from someone who’s crossed that border; Leni Alvarez is 27 years old and she now works with the Global Fund for Children in Mexico.

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